The 2014 China Energy Storage Battery Materials and Technology Conference was recently held in Weifang. The Qingdao Energy Storage Industry Technology Research Institute established by the Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (hereinafter referred to as “Qingdao Energy Storage Instituteâ€) has successfully developed a new generation of all-solid-state polymer lithium batteries, and at the meeting, Shandong Weineng Environmental Protection Power Supply Co., Ltd. Co., Ltd. has signed a cooperation agreement. It is reported that the lithium battery is currently undergoing large-scale industrial production.
The development of electric vehicle technology places higher demands on power lithium batteries in terms of high power output and safety performance. Dr. Cui Guanglei, Executive Director of Qingdao Energy Storage Institute, led researchers to successfully develop high-security and high-voltage-resistant power lithium battery separators using technologies such as wet-process papermaking, interface coupling, and functional modification with completely independent intellectual property rights. Relevant achievements were published in the "Science Report" and "Chemical Newsletter" magazines.
At the same time, the researchers of this institute developed a new all-solid polymer electrolyte by using the self-developed flame-retardant cellulose as the base material, through functional modification and coupling and other related processes. It has high mechanical strength, excellent rate charge and discharge performance, and a wide range of temperature use, and has broad application prospects. At present, Qingdao Energy Storage Institute is optimizing process parameters and is striving for the first demonstration of a new generation of all-solid-state polymer lithium-ion batteries in economical electric vehicles. (Ma Xiaoyu)
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