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The energy density of lithium ion batteries heavily relies on the loading of electrochemically active materials in their cathode. LiNi0.8Co0.15Al0.05O2 (NCA) as a promising high-energy cathode material has a practical specific capacity of about 200 mAh g−1 which, however, is often compromised by the additives in the electrode, such as the conductive carbon and binder. To harvest a higher energy density...
A Li ion conductive gel-binder, Li ion-doped 1,3-dichloro-2-propanol-sulfur-poly(ethylene glycol) methyl ether binder, was employed on the S cathode to enhance the rate performance of the Li/S battery. The reversible capacity of such batteries is 690mAhg−1 at a 3C-rate after 27cycles, and it reverts to 1020mAhg−1 at 0.2C-rate, which is close to the initial value of 1210mAhg−1. Besides, at 0.5C-rate,...
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