半固态钠钾合金负极构建钠金属电池电极-电解质共形界面OA北大核心CSTPCD
Designing Conformal Electrode-electrolyte Interface by Semi-solid NaK Anode for Sodium Metal Batteries
以低成本、高安全性、高能量密度著称的固态钠金属电池(SSNBs)在下一代可充电电池中具有重要的地位.然而,固态电解质亟待改善的界面接触问题一直阻碍着SSNBs走向商业化.本研究以电极-电解质界面设计为出发点,采用钠钾合金(NaK)和碳纳米管制备了半固态NaK合金电极(NKC).与Na电极不同,可涂覆的浆料状NKC电极在集流体和凝胶电解质上具有较好的粘附性和界面相容性,构建了紧密接触的电极-电解质界面.此外,通过引入SiO2作为无机填料,改善了Na…查看全部>>
Solid-state Na metal batteries (SSNBs),known for its low cost,high safety,and high energy density,hold a significant position in the next generation of rechargeable batteries.However,the urgent challenge of poor interfacial contact in solid-state electrolytes has hindered the commercialization of SSNBs.Driven by the concept of intimate electrode-electrolyte interface design,this study employs a combination of NaK alloy and carbon nanotubes to prepare a semi-…查看全部>>
尹春森;陈泽远;王秀丽
浙江大学材料科学与工程学院,浙江杭州 310058浙江大学材料科学与工程学院,浙江杭州 310058浙江大学材料科学与工程学院,浙江杭州 310058
固态钠金属电池钠钾合金凝胶电解质电极-电解质界面无枝晶负极
Solid-state Na metal batteryNaK alloyGel electrolyteelectrode-electrolyte interfacedendrite free anode
《材料科学与工程学报》 2024 (4)
533-543,11
National Natural Science Foundation of China(52073253)
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