Fluorinated ionic liquid mediated nanostructure with enhanced conductivity and fluorine retention in Na3V2(PO4)2F3 cathode toward high-performance sodium-ion batteries

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 498, P. 155640 - 155640

Published: Sept. 12, 2024

Language: Английский

---

Microstructure regulation of W V1-O2(B) nanorods with improved electrochemical properties

Journal of Solid State Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 125074 - 125074

Published: Oct. 1, 2024

Language: Английский

---

Oxygen release facilitates Mn migration in O3-NaLi0.33Mn0.67O2: Achieving high performance of sustainable voltage

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 103, P. 114278 - 114278

Published: Oct. 22, 2024

Language: Английский

---

钠离子电池O3相层状氧化物正极的现状与展望：稳定性、可逆性和反应机理

Scientia Sinica Chimica, Journal Year: 2024, Volume and Issue: 54(7), P. 1050 - 1076

Published: May 27, 2024

近年来,与锂离子二次电池(LIBs)具有类似构造和工作原理,但成本更低的钠离子二次电池(SIBs)正逐渐成为研究的焦点。正极材料是决定SIBs性能的关键因素之一,对于高性能SIBs商业化至关重要。O3相层状过渡金属氧化物在能量密度、工作电压和合成成本方面具有独特优势,是目前最受关注的商业化钠离子正极材料。然而O3相材料在实际应用过程中依然存在着较大的缺陷,包括充放电循环中结构相变不可逆, Na+扩散势垒高和空气稳定性差等问题。本文从材料组成结构、相变演化、反应机制和改性策略及其所面临的挑战等方面对典型的O3相钠离子层状材料研究现状进行全面总结及评述,并对其未来的发展趋势进行展望。

---

Insights into the ternary substitution Na2.96+xK0.04 V2-xNix(PO4)2.98F0.06 with superior rate capability and near-zero strain property

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 102, P. 114204 - 114204

Published: Oct. 18, 2024

Language: Английский

---