Xian Jiaotong University developed high-coulomb efficiency of silicon negative lithium battery Recently, the Xi'an Jiaotong University College of Electrical and Professor Zheng Xiaoquan task force and the United States Stanford University School of Materials Professor Cui Yi, MIT Department of Nuclear Engineering Professor Li Ju team work together through a special method, the outer surface of nano-silicon coated with a Layer artificial titanium dioxide nanometer layer to synthesize a silicon structure negative electrode with high mechanical strength and prepare a silicon negative electrode full cell with high compact density to achieve a volumetric capacity of 2 times and a mass capacity of 2 times the traditional graphite negative electrode. Commercially available lithium-ion batteries are only used for low-level power requirements. Silicon, due to its theoretical specific capacity of more than 10 times that of conventional graphite negative electrodes, is expected to become the next generation of large capacity negative electrode materials for lithium-ion batteries. However, the problem of low Coulomb's efficiency during charge and discharge of silicon anode has not been overcome. After the experimental test, the new achievement of the titanium dioxide shell mechanical strength is 5 times the amorphous carbon, can make a stable Coulomb efficiency of 99.9% or more, to meet the application of industrial standards, will effectively promote the main silicon anode business in the battery industry application. The results recently published in the "Energy and Environmental Science" on. (Secondary and) German development of new sensor technology to reduce the weight and cost of lithium batteries German engineers have developed new sensor technologies to reduce the weight and cost of electric vehicles and other types of lithium-ion batteries. Phillip ä¿£ Hi Gynecology spade? 笱 У 缌 低 臣 臣 低 低 低 低 低 低 低 低 低 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 芯 æ‹¥ æ‹¥ æ‹¥ æ‹¥ æ‹¥ 猛 猛?æ° ç¼Œ 缌 骱 steal Miu Miu terrier about è·Ž è·Ž 绯 Fei æ° raised 醺 drought #? About scar ç ‘ have tomb δ å ‹ Typically, an EV battery consists of a single battery that can contain up to 12 batteries, each monitored by its own voltage sensor. Sensors are important for monitoring the battery's lithium batteries, and may burn if they overheat or over-work. In a typical EV battery, there is a current sensor and multiple voltage sensors to do the job, and the sensor is a considerable weight and cost driver. To reduce weight, Dost and his colleagues came up with a way to reduce the number of sensors that had previously required for monitoring electric current and voltage in electric vehicle batteries to one, regardless of how many cells the battery had. The researchers said the sensor systems they developed can be extended to batteries with different cell counts. It can also be applied to other battery types, such as tablets or laptops, wireless power tools, uninterruptible power systems and solar energy storage systems to reduce their weight and cost and increase battery life. Next, engineers at the University of Luer will continue their efforts to improve technology, evaluate their prototypes more closely, and replace individual components to meet the automotive industry's requirements.
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