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Invention Grant
US09553308B2 Negative electrode material for sodium secondary battery and method for producing same, negative electrode for sodium secondary batter, and sodium secondary battery 有权
钠二次电池用负极材料及其制造方法，钠二次电池用负极和钠二次电池

Negative electrode material for sodium secondary battery and method for producing same, negative electrode for sodium secondary batter, and sodium secondary battery
Abstract:
Problem. Provided is a negative electrode material for a sodium secondary battery and its manufacturing method, and a negative electrode for a sodium secondary battery, and a sodium secondary battery, wherein the negative electrode material can have excellent cycle characteristics while maintaining high discharge capacity. Solution. A negative electrode material for a sodium secondary battery according to the present invention includes sulfide or sulfide composite body containing sulfur and antimony, and as necessary further includes the following component(s) of (i): (i) at least one or more element(s) selected from a group consisting of Sn, As, Bi, Ge, Ga, Pb, and C, wherein when a component(s) of (i) is included, the ratio of each of the above described components is sulfur: 10 to 70 mol %, antimony: 10 to 70 mol %, and (i): 3 to 60 mol %.
Abstract(Chinese):

问题。 提供了一种钠二次电池用负极材料及其制造方法以及钠二次电池用负极和钠二次电池，其中负极材料可以具有优异的循环特性，同时保持高放电容量。 解。 根据本发明的钠二次电池用负极材料包括含有硫和锑的硫化物或硫化物复合体，并且根据需要还包括以下（i）成分：（i）至少一种或多种元素 选自由Sn，As，Bi，Ge，Ga，Pb和C组成的组中的一种或多种，​​其中当包含（i）的组分时，上述各组分的比例为硫： 10〜70摩尔％，锑：10〜70摩尔％，（i）：3〜60摩尔％。

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