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Converting intercalation-type cathode in spent lithium-ion batteries into conversion-type cathode

Nano Research 2024年第5期17卷 4602-4609页

作者： Dingding Zhu yong Su Jingzhao Chen Xiangze Ou Xuedong Zhang Wen Xie yuyan Zhou yunna Guo Qiushi Dai Peng Jia Jitong yan Lin Geng Baiyu Guo Liqiang Zhang yongfu Tang Qiao huang Jianyu huang School of Materials Science and Engineering Xiangtan UniversityXiangtan 411105China Clean Nano Energy Center State Key Laboratory of Metastable Materials Science and TechnologyYanshan UniversityQinhuangdao 066000China

The widespread applications of lithium-ion batteries(LIBs)generate tons of spent ***,recycling LIBs is of paramount importance in protecting the environment and saving the *** commercialized LIBs mostly adopt layered oxides such as LiCoO_(2)(LCO)or LiNi_(x)Co_(y)Mn_(1-x-y)O_(2)(NMC)as the cathode *** the intercalation-type spent oxides into conversion-type cathodes(such as metal fluorides(Mfs))offers a valid recycling strategy and provides substantially improved energy densities for ***,two typical Co-based cathodes,LCO and LiNi_(0.6)Co_(0.2)Mn_(0.2)O_(2)(NMC622),in spent LIBs were successfully converted to Cof_(2) and(Ni_(x)Co_(y)Mn_(z))f_(2) cathodes by a reduction and fluorination *** as converted Cof_(2) and(Ni_(x)Co_(y)Mn_(z))f_(2) delivered cell energy densities of 650 and 700 Wh/kg,*** atomic-level electron microscopy revealed that the used LCO and NMC622 were converted to highly phase pure Co metal and Ni_(0.6)Co_(0.2)Mn_(0.2) alloys in the used graphite-assisted reduction roasting,simultaneously producing the important product of Li_(2)CO_(3) using only environment friendly *** study provided a versatile strategy to convert the intercalation-type Co-based cathode in the spent LIBs into conversion-type Mfs cathodes,which offers a new avenue to recycle the spent LIBs and substantially increase the energy densities of next generation LIBs.

关键词： spent lithium-ion batteries recycling energy densities conversion-type cathode

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LonP1 Links Mitochondria–ER Interaction to Regulate Heart function

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Research 2024年第1期2023卷 595-609页

作者： yujie Li Dawei huang Lianqun Jia fugen Shangguan Shiwei Gong Linhua Lan Zhiyin Song Juan Xu Chaojun yan Tongke Chen yin Tan yongzhang Liu Xingxu huang Carolyn K.Suzuki Zhongzhou yang Guanlin yang Bin Lu The Affiliated Nanhua Hospital and School of Basic Medical Sciences Hengyang Medical SchoolUniversity of South ChinaHengyangHunan 421001China School of Laboratory Medicine and Life Sciences Wenzhou Medical UniversityWenzhouZhejiang 325035China National Health Commission Key Laboratory of Birth Defect Research and Prevention Hunan Provincial Maternal and Child Health Care HospitalChangshaHunan 410008China Key Laboratory of Ministry of Education for TCM Viscera-State Theory and Applications Ministry of Education of ChinaLiaoning University of Traditional Chinese MedicineShenyangLiaoning 110847China Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province The First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina Hubei Key Laboratory of Cell Homeostasis College of Life SciencesWuhan UniversityWuhanHubei 430072China Nanjing Maternity and Child Health Care Hospital Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical UniversityNanjing 210004China Animal Center Wenzhou Medical UniversityWenzhouZhejiang 325035China Department of Cardiology The First Affiliated Hospital of University of South ChinaHengyangHunanChina School of Life Science and Technology Shanghai Tech UniversityShanghai 201210China Department of Microbiology Biochemistry and Molecular GeneticsNew Jersey Medical School-RutgersThe State University of New JerseyNewarkNJUSA State Key Laboratory of Pharmaceutical Biotechnology Department of CardiologyNanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical School and MOE Key Laboratory of Model Animal for Disease StudyModel Animal Research CenterNanjing UniversityNanjing 210061China

Interorganelle contacts and communications are increasingly recognized to play a vital role in cellular function and *** particular,the mitochondria–endoplasmic reticulum(ER)membrane contact site(MAM)is known to regulate ion and lipid transfer,as well as signaling and organelle ***,the regulatory mechanisms of MAM formation and their function are still ***,we identify mitochondrial Lon protease(LonP1),a highly conserved mitochondrial matrix protease,as a new MAM tethering *** removal of LonP1 substantially reduces MAM formation and causes mitochondrial ***,deletion of LonP1 in the cardiomyocytes of mouse heart impairs MAM integrity and mitochondrial fusion and activates the unfolded protein response within the ER(UPR^(ER)).Consequently,cardiac-specific LonP1 deficiency causes aberrant metabolic reprogramming and pathological heart *** findings demonstrate that LonP1 is a novel MAM-localized protein orchestrating MAM integrity,mitochondrial dynamics,and UPR^(ER),offering exciting new insights into the potential therapeutic strategy.f.r heart failure.

关键词： offering programming insight

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Accelerating solar driven CO_(2) reduction via sulfur-doping boosted water dissociation and proton transfer

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Nano Research 2024年第3期17卷 1056-1065页

作者： Ke yan Liang Chen yangguang Hu Ting Wang Cong Chen Chao Gao youju huang Benxia Li School of Chemistry and Chemical Engineering Key Laboratory of Surface&Interface Science of Polymer Materials of Zhejiang ProvinceZhejiang Sci-Tech UniversityHangzhou 310018China College of Material Chemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhou 311121China School of Chemistry and Materials Science University of Science and Technology of ChinaHefei 230026China

Exploring efficient photocatalysts for solar driven CO_(2) reduction with water(H_(2)O)as a proton donor is highly imperative but remains a great challenge because the synchronous enhancement of CO_(2) activation,H_(2)O dissociation and proton transfer is hardly achieved on a ***,the sluggish H_(2)O dissociation impedes the photocatalytic CO_(2) reduction reaction involving multiple proton–electron coupling transfer ***,a sulfur-doped BiOCl(S-BiOCl)photocatalyst with abundant oxygen vacancies(OV)is developed,which exhibits broadband-light harvesting across solar spectrum and distinct photothermal effect due to *** photocatalytic CO_(2) reduction with H_(2)O in a gas–solid system,the high CO yield of 49.76μmol·g_(cat)^(-1)·h^(-1) with 100%selectivity is achieved over the S-BiOCl catalyst under a simulated *** H_(2)O-assisted CO_(2) reduction reaction on S-BiOCl catalyst is triggered by photocatalysis and the photothermal heating further enhances the reaction *** kinetic isotope experiments indicate that the sluggish H_(2)O dissociation affects the whole photocatalytic CO_(2) reduction *** presence of oxygen vacancies promotes the adsorption and activation of H_(2)O and CO_(2),and the doped S sites play a crucial role in boosting H_(2)O dissociation and accelerating the dynamic migration of hydrogen *** a result,the ingenious integration of OV defects,S sites and photothermal effect in S-BiOCl catalyst conjointly contributes to the significant improvement in photocatalytic CO_(2) reduction performance.

关键词： BiOCl sulfur doping photocatalytic CO_(2)reduction H_(2)O activation proton feeding

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fluorine-Modulated MXene-Derived Catalysts for Multiphase Sulfur Conversion in Lithium-Sulfur Battery

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Nano-Micro Letters 2024年第12期16卷 201-216页

作者： Qinhua Gu yiqi Cao Junnan Chen yujie Qi Zhaofeng Zhai Ming Lu Nan huang Bingsen Zhang Shenyang National Laboratory.f.r Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016People’s Republic of China School of Materials Science and Engineering University of Science and Technology of ChinaShenyang 110016People’s Republic of China The Joint Laboratory of MXene Materials Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of EducationKey Laboratory of Preparation and Application of Environmental Friendly Materials of the Ministry of EducationJilin Normal UniversityChangchun 130103People’s Republic of China

fluorine owing to its inherently high electronegativity exhibits charge delocalization and ion dissociation capabilities;as a result,there has been an influx of research studies focused on the utilization of fluorides to optimize solid electrolyte interfaces and provide dynamic protection of electrodes to regulate the reaction and function performance of ***,the shuttle effect and the sluggish redox reaction kinetics emphasize the potential bottlenecks of lithium-sulfur *** fluorine modulation regulate the reaction process of Li-S chemistry?Here,the TiOf/Ti_(3)C_(2)MXene nanoribbons with a tailored f distribution were constructed via an NH4f fluorinated *** on in situ characterizations and electrochemical analysis,the f activates the catalysis function of Ti metal atoms in the consecutive redox *** positive charge of Ti metal sites is increased due to the formation of O-Ti-f bonds based on the Lewis acid-base mechanism,which contributes to the adsorption of polysulfides,provides more nucleation sites and promotes the cleavage of S-S *** facilitates the deposition of Li_(2)S at lower ***,fluorine has the capacity to capture electrons originating from Li_(2)S dissolution due to charge compensation *** fluorine modulation strategy holds the promise of guiding the construction of fluorine-based catalysts and facilitating the seamless integration of multiple consecutive heterogeneous catalytic processes.

关键词： Catalysis fluorination MXene Lithium-sulfur battery Shuttle effect

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Liquid-phase epitaxial layer by layer brushing fabrication of metalorganic frameworks films

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Nano Research 2024年第6期17卷 5698-5704页

作者： Li-Mei Chang Rui Zhai Zhi-Zhou Ma Jian-Dong huang Zhi-Gang Gu Jian Zhang College of Chemistry Fuzhou UniversityFuzhou 350108China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China University of Chinese Academy of Sciences Beijing 100049China

Development of metal-organic framework(MOf)films is of great importance to expand their ***,we report a facile and universal method of liquid-phase epitaxial(LPE)layer by layer(LBL)brushing approach for fabricating MOf films on various substrates in a high-throughput *** MOf films preparation method offers a great prospective to cost-effectively construct films with short preparation time and little reagent ***,this LBL brushing approach has been implemented successfully to assemble various MOf films,including HKUST-1,zeolitic imidazolate framework-8(ZIf-8),Cu(bdc),and Cu_(2)(L)_(2)P(L=bdc,ndc,and cam;P=dabco and bipy).Afterwards,the classic MOf HKUST-1 and ZIf-8 films were grown on sensor chip electrode and porous fiber support for good volatile organic compounds(VOCs)selective sensing and water purification *** study demonstrates that this LBL brushing preparation method can be employed to synthesize various MOf films with a variety of characteristics to realize their sensing and separation applications.

关键词： metal-organic framework porous materials layer by layer fabrication film

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Double-kill contribution of high-roughness high-density porous carbon electrodes to mechanically self-sensing supercapacitors

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Nano Research 2024年第7期17卷 6157-6167页

作者： Jue huang Pengyu Liu yiqun Wang Keren Dai Qingyun Dou yajiang yin Xiaofeng Wang Zheng you Department of Precision Instrument Tsinghua UniversityBeijing 100084China State Key Laboratory of Precision Measurement Technology and Instruments Beijing 100084China Department of Materials Science and Engineering Sun Yat-Sen UniversityGuangzhou 510275China ZNDy of Ministerial Key Laboratory School of Mechanical EngineeringNanjing University of Science and TechnologyNanjing 210094China Qiyuan Laboratory Beijing 100095China

Impact detecting and counting are fundamental functions of fuses used in hard target penetration ***,detection failure caused by battery breakdown in high-g acceleration environments poses a vulnerability.f.r such *** paper introduces a novel supercapacitor that combines energy storage and high-g impact detection,called self-sensing *** deliberately inducing a transient soft short-circuit during shock in the supercapacitor,it is possible to detect external impact by its transient voltage *** realize this concept,firstly,by introducing the contact theory and force-induced percolation model,the electrode strength and roughness are found to have key impacts on the formation of soft ***,to meet the needs for sensitivity and capacity,a high-density porous carbon(HDPC)that combines high mechanical strength and porosity,is selected as a suitable candidate based on the analysis ***,a two-step curing method is proposed to prepare the high-roughness HDPC(HRHDPC)electrode and to assemble the self-sensing *** to the rich specific surface of the electrodes and the high surface strength and roughness conducive to the formation of transient soft short circuits,the self-sensing supercapacitor not only possesses an excellent specific capacitance(171 f/g at 0.5 A/g)but also generates significant voltage response signals when subjected to high-g impacts ranging from 8000g to 31,***,the self-sensing supercapacitor is applied to compose a successive high-g impact counting system and compared to traditional solutions(sensors and tantalum capacitors)in the military *** results show that the self-sensing supercapacitor-based system exhibits advantages in terms of size,power consumption,and counting accuracy.

关键词： supercapacitor self-sensing soft short-circuit impact sensing

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Carbon uptake by cement in China:Estimation and contribution to carbon neutrality goals

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Science China Earth Sciences 2024年第6期67卷 2056-2067页

作者： Mingjing MA Zi huang Jiaoyue WANG Le NIU Wenfeng ZHANG Xiaowei XU fengming XI Zhu LIU Institute of Applied Ecology Chinese Academy of SciencesShenyang 110016China College of Resources and Environment University of Chinese Academy of SciencesBeijing 100049China Department of Earth System Science Tsinghua UniversityBeijing 100084China Department of Engineering Science University of OxfordOxfordOX13UK

Cement is a widely used construction material *** manufacturing contributes to anthropogenic CO_(2)emissions ***,its alkaline compounds can absorb CO_(2)from the surrounding environment and engage in a carbonation reaction,thereby.f.nctioning as a carbon *** a major cement producer and consumer,China has an important responsibility to rigorously investigate and accurately account for cement carbon *** study presents a comprehensive analytical model of cement carbon uptake from China,revealing a substantial increase in carbon uptake from 1930 to 2021,peaking at 426.77 Mt CO_(2)(95% Confidence Interval:317.67-874.33 Mt CO_(2))in *** uptake accounts for 8.10% to 45.40% of China’s annual land sink and 2.51% to 4.54% of the global land *** cumulative carbon uptake by cement is approximately 7.06 Gt CO_(2)(95%CI:5.22–9.44 Gt CO_(2))during this period,offsetting 50.7% of the total emissions(13.91 Gt CO_(2),95%CI:12.44–17.00 Gt CO_(2))from the cement ***,cement mortar contributed to most absorption(65.64%).from a life cycle perspective,the service stage of cement materials is the period where the largest CO_(2)sink is formed,accounting for 90.03% of the ***,the potential for carbon sequestration in cement materials and their waste is ***,the model improves the accuracy of cement carbon accounting,supporting both China and global carbon neutrality ***,it is crucial for China to achieve its carbon neutrality goals sooner by prioritizing the environmental benefits of cement materials and wastes,and accelerating the development and commercialization of CO_(2)sequestration technologies for cement and its by-products.

关键词： Cement Carbon uptake Life cycle assessment Carbon emission reduction Carbon neutrality

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Single-cell profiling of the pig cecum at various developmental stages

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Zoological Research 2024年第1期45卷 55-68页

作者： yan-yuan Xiao Qing Zhang fei huang Lin Rao Tian-Xiong yao Si-yu yang Lei Xie Xiao-Xiao Zou Li-Ping Cai Jia-Wen yang Bin yang Lu-Sheng huang National Key Laboratory.f.r Swine Genetic Improvement and Germplasm Innovation Ministry of Science and Technology of ChinaJiangxi Agricultural UniversityNanchangJiangxi 330045China

The gastrointestinal tract is essential for food digestion,nutrient absorption,waste elimination,and microbial ***-cell transcriptome profiling of the intestinal tract has greatly enriched our understanding of cellular diversity.f.nctional heterogeneity,and their importance in intestinal tract development and *** such profiling has been extensively conducted in humans and mice,the single-cell gene expression landscape of the pig cecum remains ***,single-cell RNA sequencing was performed on 45572 cells obtained from seven cecal samples in pigs at four different developmental stages(days(D)30,42,150,and 730).Analysis revealed 12 major cell types and 38 subtypes,as well as their distinctive genes,transcription factors,and regulons,many of which were conserved in *** increase in the relative proportions of CD8^(+)T and Granzyme A(low expression)natural killer T cells(GZMA^(low)NKT)cells and a decrease in the relative proportions of epithelial stem cells,Tregs,RHEX^(+)T cells,and plasmacytoid dendritic cells(pDCs)were noted across the developmental ***,the post-weaning period exhibited an up-regulation in mitochondrial genes,COX2 and ND2,as well as genes involved in immune activation in multiple cell ***-cell crosstalk analysis indicated that IBP6^(+)fibroblasts were the main signal senders at D30,whereas IBP6^(−)fibroblasts assumed this role at the other *** cells established interactions with epithelial cells and IBP6^(+)fibroblasts in the D730 cecum through mediation of GZMA-f2RL1/f2RL2 *** study provides valuable insights into cellular heterogeneity and function in the pig cecum at different development stages.

关键词： Single-cell RNA-seq Cecum Bama Xiang pigs Various developmental stages Cellular heterogeneity

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Proposal for valleytronic materials:ferrovalley metal and valley gapless semiconductor

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frontiers of physics 2024年第2期19卷 131-139页

作者： San-Dong Guo yu-Ling Tao Guangzhao Wang Shaobo Chen Dong huang yee Sin Ang School of Electronic Engineering Xi’an University of Posts and TelecommunicationsXi’an 710121China Key Laboratory of Extraordinary Bond Engineering and Advanced Materials Technology of Chongqing School of Electronic Information EngineeringYangtze Normal UniversityChongqing 408100China College of Electronic and Information Engineering Anshun UniversityAnshun 561000China Science Mathematics and Technology(SMT)Singapore University of Technology and Design(SUTD)8 Somapah RoadSingapore 487372Singapore

Valleytronic materials can provide new degrees of freedom to future electronic *** this work,the concepts of the ferrovalley metal(fVM)and valley gapless semiconductor(VGS)are proposed,which can be achieved in valleytronic bilayer systems by electric field *** valleytronic bilayer systems,the interaction between out-of-plane ferroelectricity and A-type antiferromagnetism can induce layer-polarized anomalous valley Hall(LP-AVH)*** K and−K valleys of fVM are both metallic,and electron and hole carriers simultaneously *** the extreme case,the fVM can become VGS by analogizing spin gapless semiconductor(SGS).Moreover,it is proposed that the valley splitting enhancement and valley polarization reversal can be achieved by electric field engineering in valleytronic bilayer *** the bilayer RuBr_(2)as an example,our proposal is confirmed by the first-principle *** fVM and VGS can be achieved in bilayer RuBr_(2)by applying electric *** appropriate electric field range,increasing electric field can enhance valley splitting,and the valley polarization can be reversed by.f.ipping electric field *** effectively tune valley properties by electric field in bilayer systems,the parent monolayer should possess out-of-plane magnetization,and have large valley *** results shed light on the possible role of electric field in tuning valleytronic bilayer systems,and provide a way to design the ferrovalley-related material by electric field.

关键词： valleytronics electric field bilayer

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Redox responsive polymeric nanoparticles enhance the efficacy of cyclin dependent kinase 7 inhibitor for enhanced treatment of prostate cancer

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Chinese Chemical Letters 2024年第8期35卷 443-448页

作者： yiran Tao Chunlei Dai Zhaoxiang Xie Xinru you Kaiwen Li Jun Wu Hai huang Department of Urology Sun Yat-sen Memorial HospitalSun Yat-sen UniversityGuangzhou 510120China Department of Urology The Sixth Affiliated HospitalSun Yat-sen UniversityGuangzhou 510120China Biomedical Innovation Center The Sixth Affiliated HospitalSun Yat-sen UniversityGuangzhou 510120China School of Biomedical Engineering Sun Yat-sen UniversityShenzhen 518107China Center for Nanomedicine and Department of Anesthesiology Brigham and Women’s HospitalHarvard Medical SchoolBostonMA 02115United States Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation Sun Yat-sen Memorial HospitalSun Yat-Sen UniversityGuangzhou 510120China Department of Urology The Sixth Affiliated Hospital of Guangzhou Medical UniversityQingyuan People’s HospitalQingyuan 511518China Bioscience and Biomedical Engineering Thrust The Hong Kong University of Science and Technology(Guangzhou)Guangzhou 511400China Division of Life Science The Hong Kong University of Science and TechnologyHong KongChina Guangdong Provincial Clinical Research Center for Urological Diseases Sun Yat-sen Memorial HospitalSun Yat-sen UniversityGuangzhou 510120China

Traditional therapies such as surgery and endocrine therapy no longer meet the clinical needs in prostate cancer treatment,and more effective treatments are urgently *** studies have reported that targeted inhibition of the transcription factor cyclin dependent kinase 7(CDK7)could effectively suppress prostate cancer ***,the toxicity of CDK7 inhibitors such as THZ1 is the main limitation of the clinical *** this work,we synthesized Cys8E(C8E)nanoparticles(NPs)loaded with THZ1(C8E@THZ1),a novel GSH-targeting and stimuli-responsive nano-delivery platform,and investigated its anti-tumor potential and biosafety *** vitro,C8E@THZ1 potently inhibited the proliferation and promoted the apoptosis of prostate cancer *** tumor-bearing mice,C8E@THZ1 inhibited tumors by up to 85%,while the damage of THZ1 to liver function was effectively *** results confirmed that inhibition of CDK7 can effectively block the progression of prostate cancer,and that Cys8E NPs is a highly prospective delivery platform to promote the clinical application of CDK7 inhibitors.

关键词： Prostate cancer Nanoparticles CDK7 THZ1 THZ1@Cys8E NPs

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