scholarly journals Mechanism of the entire overdischarge process and overdischarge-induced internal short circuit in lithium-ion batteries

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Rui Guo ◽  
Languang Lu ◽  
Minggao Ouyang ◽  
Xuning Feng
Keyword(s):  
Lithium Ion Batteries ◽  
Short Circuit ◽  
Lithium Ion ◽  
Internal Short Circuit

Comparative study on substitute triggering approaches for internal short circuit in lithium-ion batteries

2020 ◽  
Vol 259 ◽  
pp. 114143 ◽  
Author(s):  
Lishuo Liu ◽  
Xuning Feng ◽  
Mingxuan Zhang ◽  
Languang Lu ◽  
Xuebing Han ◽  
...  
Keyword(s):  
Comparative Study ◽  
Lithium Ion Batteries ◽  
Short Circuit ◽  
Lithium Ion ◽  
Internal Short Circuit

Internal short circuit evaluation and corresponding failure mode analysis for lithium-ion batteries

2021 ◽  
Vol 61 ◽  
pp. 269-280
Author(s):  
Lishuo Liu ◽  
Xuning Feng ◽  
Christiane Rahe ◽  
Weihan Li ◽  
Languang Lu ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Failure Mode ◽  
Short Circuit ◽  
Lithium Ion ◽  
Mode Analysis ◽  
Failure Mode Analysis ◽  
Internal Short Circuit

scholarly journals Ultrasonic Tomography Study of Metal Defect Detection in Lithium-Ion Battery

2021 ◽  
Vol 9 ◽  
Author(s):  
Mengchao Yi ◽  
Fachao Jiang ◽  
Languang Lu ◽  
Sixuan Hou ◽  
Jianqiao Ren ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Copper Foil ◽  
Short Circuit ◽  
Lithium Ion ◽  
Aluminum Foil ◽  
Ultrasonic Tomography ◽  
Non Destructive Testing ◽  
Destructive Testing ◽  
Internal Short Circuit ◽  
Non Destructive

Lithium-ion batteries are widely used in electric vehicles and energy storage systems. Sudden fire accident is one of the most serious issue, which is mainly caused by unpredicted internal short circuit. Metal particle defect is a key factor in internal short circuit it will not show an obvious abnormal change in battery external characteristic just like mechanical and thermal abuse. So, a non-destructive testing of battery internal metal defect is very necessary. This study is first time to scan and analyze different types of defects inside a battery by using ultrasonic technology, and it shows the detection capability boundary of this methodology. A non-contact ultrasonic scanning system with multi-channel was built to scan the battery sample with aluminum foil, copper foil and copper powder defects. The position and shape of those defects were clearly shown by using tomography methodology. It was found that the acoustic properties difference between metal defects and battery active materials has a strong influence on detection sensitivity. Compared with aluminum foil, copper foil and copper powder are easier to be detected and change the ultrasonic signal greatly, they will produce an obvious shadowing artifacts and speed displacement phenomena in tomography images. Ultrasonic tomography technology is an effective method for non-destructive testing of lithium-ion batteries.

scholarly journals Thermal Runaway of Lithium-Ion Batteries without Internal Short Circuit

Joule ◽  
2018 ◽  
Vol 2 (10) ◽  
pp. 2047-2064 ◽  
Author(s):  
Xiang Liu ◽  
Dongsheng Ren ◽  
Hungjen Hsu ◽  
Xuning Feng ◽  
Gui-Liang Xu ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Short Circuit ◽  
Lithium Ion ◽  
Thermal Runaway ◽  
Internal Short Circuit
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