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北京石油化工学院2026年研究生招生接收调剂公告
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nowcold

金虫 (小有名气)

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[交流] Tarascon--最新EES--关于钠离子电池电解液稳定性问题的探索 已有7人参与

最新EES关于钠离子电池电解液稳定性的问题,Tarascon做了一系列研究,他们发现NaPF6-EC: PC体系最为稳定,获得的比容量最高!
Title:In search of an optimized electrolyte for Na-ion batteries
Abstract:
Electrolytes are essential for the proper functioning of any battery technology and the emerging Na-ion technology is no exception. Hence, a major focus on battery research is to identify the most appropriate formulation so as to minimize interface reactions and enhance both cell performances and safety aspects. In order to identify suitable electrolyte formulations for Na-ion chemistry we benchmarked various electrolytes containing diverse solvent mixtures (cyclic, acyclic carbonates, glymes) and Na-based salts having either F-based or perchlorate anions and measured viscosity, ionic conductivity, and thermal and electrochemical stability. The binary EC: PC solvent mixture has emerged as the best solvent formulation and has been used to test the performance of Na/hard carbon cells with both NaClO4 and NaPF6 as dissolved salts. Hard carbon electrodes having reversible capacities of 200 mA h g−1 with decent rate capability and excellent capacity retention (>180 cycles) were demonstrated. Moreover, DSC heating curves demonstrated that fully sodiated hard carbon cycled in NaPF6–EC: PC exhibits the highest exothermic onset temperature and nearly the lowest enthalpy of reaction, thus making this electrolyte most attractive for the development of Na-ion batteries.[ Last edited by nowcold on 2012-9-8 at 12:51 ]
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电化学-电池材料 锂电资源共享 杂碎汤 钠离子电池及先进材料
新能源 钠离子电池

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感谢分享!
2楼2012-09-09 09:12:42
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送鲜花一朵
3楼2012-09-09 12:23:23
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xtuwoshiwo

铁杆木虫 (小有名气)

不错,谢谢分享
7楼2013-07-10 20:11:43
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小帅鹤

金虫 (正式写手)

谢谢分享,很有帮助
自强不息,奋斗不止
8楼2013-08-15 13:34:22
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一咬牙

新虫 (初入文坛)

好资源,多谢楼主!
9楼2015-03-31 10:34:13
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