A New Type of Lithium Salt Used as Electrolyte Salt of Lithium Ion battery--- Lithium Bis (oxalate)borate PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,cn
A New Type of Lithium Salt Used as Electrolyte Salt of Lithium Ion battery--- Lithium Bis (oxalate) borate PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
Presentation on Lithium battery Made by Zhong Qiu,Lan Jinyao, Zhong Xiaotu,Zhong Min. PDF文件使用"pdfFactory Pro”试用版本创建wm,fineprint.com,c里
Presentation on Lithium battery Presentation on Lithium battery Made by Zhong Qiu, Lan Jinyao, Zhong Xiaotu, Zhong Min. PDF 文件使用 "pdfFactory Pro" 试用版本创建 Ìwww.fineprint.com.cn
1.Comparison of the electrochemical properties LiBOB and LiPFs in electrolytes for LiMn2O4/Li cells 1.1 LiPF6 Spinel lithium manganese oxide (LiMn2Oa)is considered a promising cathode material for lithium secondary batteries,but its poor cyclic ability,especially at high temperatures(above 55 C),remains a problem.One of the factors is related to spinel dissolution-the electrolyte salt LiPF will decompose at elevated temperatures. HF is generated as a product of the decomposing reaction and will dissolve manganese. PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,cn
1. Comparison of the electrochemical properties of LiBOB and LiPF6 in electrolytes for LiMn2O4/Li cells 1.1 LiPF6 Spinel lithium manganese oxide (LiMn2O4 ) is considered a promising cathode material for lithium secondary batteries, but its poor cyclic ability, especially at high temperatures (above 55 ℃), remains a problem. One of the factors is related to spinel dissolution—the electrolyte salt LiPF6 will decompose at elevated temperatures. HF is generated as a product of the decomposing reaction and will dissolve manganese. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
1.2 LiBOB As a lithium salt,lithium bis (oxalato)borate (LiBOB)has some unique properties that no other lithium salt possesses.It can effectively stabilize graphite structure in pure propylene carbonate (PC).The lithium-ion cells containing the LiBOB electrolyte exhibits excellent cycling capability even at 70 C.Moreover,the dissolution of Mn in a LiBOB electrolyte is far lower than in a LiPF6 one.Therefore,it appears that LiBOB is a superior candidate for use in lithium cells with LiMn2O4 cathodes than LiPF6. PDF文件使用"pdfFactory Pro”试用版本创建wm,fineprint.com,cm
1.2 LiBOB As a lithium salt, lithium bis (oxalato) borate (LiBOB) has some unique properties that no other lithium salt possesses. It can effectively stabilize graphite structure in pure propylene carbonate (PC) .The lithium-ion cells containing the LiBOB electrolyte exhibits excellent cycling capability even at 70 ℃. Moreover, the dissolution of Mn in a LiBOB electrolyte is far lower than in a LiPF6 one .Therefore, it appears that LiBOB is a superior candidate for use in lithium cells with LiMn2O4 cathodes than LiPF6 . PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
2.thermal behavior of Li bis (oxalato)bte LiBOB According to thermogravimetric experiments,lithium bis (oxalato)borate is fully stable up to approximately 300 C. Differential thermal analysis combined with thermogravimetric analysis (DTA-TGA) using a scanning rate of 10 C.min 1,showed that LiBOB is stable up to 302 C. PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,cn
2. thermal behavior of Li bis (oxalato) borate LiBOB According to thermogravimetric experiments, lithium bis (oxalato) borate is fully stable up to approximately 300 ℃. Differential thermal analysis combined with thermogravimetric analysis (DTA–TGA), using a scanning rate of 10 ℃·min−1 , showed that LiBOB is stable up to 302 ℃. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn