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Thermal Runaway of Lithium-Ion Batteries Employing Flame-Retardant Fluorinated Electrolytes

Energy & Environmental Materials 2023年第1期6卷 333-339页

作者： Junxian Hou Li Wang Xuning Feng Junpei Terada Languang Lu Shigeaki Yamazaki Anyu Su Yoshiko Kuwajima Yongjiang Chen Tomoya Hidaka Xiangming He Hewu Wang Minggao Ouyang State Key Laboratory of Automotive Safety and Energy Tsinghua UniversityBeijing 100084China Institute of Nuclear and New Energy Technology Tsinghua UniversityBeijing 100084China daikin industries Ltd.1-1Nishi-HitotsuyaSettsu Osaka 566-8585Japan Sichuan New Energy Vehicle Innovation Center Yibin 644002China

Fluorinated electrolytes possess good antioxidant capacity that provides high compatibility to high-voltage cathode and flame retardance;thus,they are considered as a promising solution for advanced lithium-ion batteries carrying both high-energy density and high ***,the fluorinated electrolytes are widely used to form stable electrolyte interphase,due to their chemical reactivity with lithiated graphite or ***,the influence of this reactivity on the thermal safety of batteries is seldom ***,we demonstrate that the flame-retardant fluorinated electrolytes help to reduce the flammability,while the lithium-ion batteries with flame-retardant fluorinated electrolytes still undergo thermal runaway and disclose their different thermal runaway pathway from that of battery with conventional *** reduction in fluorinated components(e.g.,LiPF 6 and fluoroethylene carbonate(FEC))by fully lithiated graphite accounts for a significant heat release during battery thermal *** 13%of total heat is sufficient to trigger the chain reactions during battery thermal *** study deepens the understanding of the thermal runaway mechanism of lithium-ion batteries employing flame-retardant fluorinated electrolytes,providing guidance on the concept of electrolyte design for safer lithium-ion batteries.

关键词： battery safety flame retardance fluorinated electrolytes lithium-ion battery thermal runaway

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Report on the fuel permeability of fluoro elastomer

Report on the fuel permeability of fluoro elastomer

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2004年国际橡胶会议

作者： Yoshihiro Shirai Shintaro Ogata daikin industries Japan daikin industries Japan

＜正＞ ContextWith the changes in environmental regulations in the recent years, the performance requirements for materials used for the automobiles are becoming more and more demanding. New regulations related to LEV and other emission standards, require polymeric materials used in fuel systems to have very low fuel permeability to reduce overall viehical emissions. Though fluoroelastomers are more permeation resis-

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Development of High Efficiency Swing Compressor for R32 Refrigerant

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Journal of Energy and Power Engineering 2015年第2期9卷 161-165页

作者： Yuuichi Yamamoto Takehiro Kanayama Kenichi Yuasa Hideki Matsua Compressor Development and Engineering Group Daikin Industries Ltd. Shiga 525-8526 Japan Compressor Development and Engineering Group Daikin Industries Ltd. Osaka 592-8331 Japan

In the age of global warming, energy saving features and overall reduction of environmental impact are critical components that must be addressed when developing new HVAC (heating ventilation and air conditioning) units. We chose R32 refrigerant, with its lower LCCP (life cycle climate performance) as a more sustainable choice than R410A. However, R32 has its drawbacks. Due to its smaller molecular weight, internal leakage loss is higher for R32. Moreover, high discharge gas temperature decreases the reliability of the compressor, and makes a large overheating loss increase. In this study, we will describe the technologies (reducing the piston pressurizing force, heat-insulating structure, optimizing the port diameter) that were developed to overcome these drawbacks. We will also present the performance and reliability of the newly developed high efficiency swing compressor series for R32 refrigerant.

关键词： R32 制冷剂压缩机摆动式全球气候变暖 R410A HVAC 节能特性

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Study of Thin Film Morphologies by Grazing Incidence Small Angle X-ray Scattering（GISAXS）

Study of Thin Film Morphologies by Grazing Incidence Small A...

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2016年全国高分子材料科学与工程研讨会

作者： Tomomi Irita Thomas Russell Xuefa Li Hirokazu Aoyama Technology Innovation Center Daikin IndustriesLtd. Polymer Science and Engineering University of Massachusetts Advanced Photon Source Argonne National Laboratory

＜正＞Grazing incidence small angle x-ray scattering（GISAXS）experiments were performed on thin films of Nafion solutions as a function of temperature under humidity control,and as a function of humidity at constant *** development and orientation of the structure and morphology inthe thin films,at the free surtace and in the bulk of the film,was charactenzed by the scattering below and above the critical *** scattering profiles indicated that Nafion thin film morphology was strongly influenced by the

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一种新型网膜对SARS冠状病毒的抑制作用

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生物化学与生物物理进展 2004年第11期31卷 982-985页

作者：韩伟张泮河曹务春杨东玲 SHIGEHARU TAIRA YOSHIO OKAMOTO JUN-ICHIRO ARAI 阎锡蕴中国科学院生物物理研究所军事医学科学院微生物流行病研究所 daikin industries LTD.Osaka 5918511Japan 中国科学院研究生院北京100039

利用光触媒钛羟基磷灰石网膜 (PTAF)具有吸附和酶催化的特点 ,研究其对SARS病毒的抑制作用 .实验结果表明在紫外照射条件下 ,PTAF膜对SARS冠状病毒的抑制率为 10 0 % .在没有紫外照射的条件下 ,PTAF膜对SARS冠状病毒的抑制率为 99 99% ... 详细信息

利用光触媒钛羟基磷灰石网膜 (PTAF)具有吸附和酶催化的特点 ,研究其对SARS病毒的抑制作用 .实验结果表明在紫外照射条件下 ,PTAF膜对SARS冠状病毒的抑制率为 10 0 % .在没有紫外照射的条件下 ,PTAF膜对SARS冠状病毒的抑制率为 99 99% ,与对照组相比 ,PTAF膜抑制病毒的效率是HAF膜的 10 0 0倍以上 .研究结果提示 ,PTAF在预防SARS冠状病毒及其他病毒性疾病流行方面有潜在的应用价值 .

关键词：光触媒钛羟基磷灰石网膜 SARS冠状病毒光催化作用

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