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『水系锰基电池』南京信息工程大学 Nano-Micro Letters:水系可充锰电池全链条综述 —— 机理、电极、电解液与未来展望

  • 2026-05-06 16:50:36
『水系锰基电池』南京信息工程大学 Nano-Micro Letters:水系可充锰电池全链条综述 —— 机理、电极、电解液与未来展望
【背景挑战】
水系锰电池兼具低成本、高安全、高电压潜力,但Mn²⁺溶剂化、歧化副反应、 Jahn-Teller 畸变、析氢竞争四大本征难题严重制约发展:1Mn²⁺水合半径大、溶剂化能高,脱溶剂势垒大、扩散动力学迟缓;2Mn³⁺热力学不稳定,易发生歧化反应与 Jahn-Teller 畸变,导致结构坍塌与 Mn 溶解;3Mn 金属负极电位极低,析氢反应(HER)剧烈,库仑效率与循环稳定性极差;4)反应机理复杂,Mn²⁺/H⁺共嵌入、溶解 - 沉积、两相转化并存,界面演化难以调控。在不牺牲电压与容量的前提下,同步实现稳定负极、高效正极、可控电解液,是水系锰电池走向实用化的核心瓶颈。
【文献导入】
本综述系统性梳理水系可充锰电池最新进展,聚焦反应机理、电极设计、电解液调控三大核心方向:阐明Mn/Mn²⁺/Mn³⁺/MnO₂多元氧化还原与Mn²⁺/H⁺共嵌入机制,揭示溶剂化与界面演化规律;分类总结钒基氧化物、普鲁士蓝类似物、有机材料三类正极,以及 Mn 金属、嵌入型、转化型三类负极的改性策略;提出电解液溶剂化重构、pH 缓冲、功能添加剂、共溶剂 / 凝胶化四大调控手段,抑制副反应并拓宽窗口;指明未来发展路径:高熵结构、抗畸变骨架、溶剂化精准调控、原位表征、AI 辅助设计。
【创新点】
体系原创:首次完整构建机理 - 电极 - 电解液三位一体综述框架,清晰呈现水系锰电池发展脉络;
机制突破:揭示Jahn-Teller 畸变、Mn³⁺不稳定性、Mn²⁺强溶剂化三大本征限制与对应破解方案;
策略突破:提出负极抑析氢、正极抗畸变、电解液调溶剂化全链条协同设计原理;
前瞻突破:指明无锰金属摇椅式、准固态、AI 高通量筛选下一代实用化方向。
【图文详解】
 1 金属离子物性对比与水系锰电池发展历程
1 a 不同金属元素性质的比较。b AMIBs近期发展的时间线
2 a Mn Pourbaix图;电极材料的关键存储机制,包括沉积-溶解反应、转化反应以及插层/脱层反应;c AMIBs电极与电解质的核心挑战;d AMIBs采用的代表性策略。
3 a 二氧化钒在不同电解质中于0.5 A g⁻¹电流密度下的X射线衍射(XRD)曲线;b恒电流充放电(GCD)曲线;通过三维 TOF -SIMS图像揭示的Mn²⁺/质子协同嵌入的能量存储机制;a–c 经许可转载[51]d AlVO0.5 mV s⁻¹电流密度下的CV曲线;e AlVO放电机制示意图,显示Mn²⁺H⁺的连续嵌入过程;选定能态下O 1s的原位X射线光电子能谱(XPS),证实了Mn (OH)₂的形成;
 4 高熵 PBA 与有机羰基正极设计。(a) 高熵 PBA 结构;(b) Mn²⁺/H⁺吸附能;(c) 应力分布;(d) 循环曲线;(e) 4-Cl-BQ@rGO  CV(f) 倍率性能。(g) 0.2 mV·s⁻¹电流密度下的CV曲线。(h)不同比电流下rGO4-Cl-BQ@rGO复合材料的电容值。(i)第一条 GCD 曲线,图中展示了4-Cl-BQ分子在不同充放电状态下的示意图。
5 a Mn@MIL制备过程的示意图;不同界面层的三维光学表面形貌图像。从左至右分别为裸露的Mn||1M/6M氯化锰||Mn,以及1M/6M Mn@MIL||1M氯化锰||1M/6M Mn@MIL6M Mn@MIL电池表现出最均匀的锰沉积。a经许可转载[42]c MnMnP合金的 LUMO 能级。随着合金化过程中磷含量的增加,HOMO能级降低,从而降低了析氢反应(HER)的发生倾向。对称电池在2 mA cm⁻²/1 mAh cm⁻²电流密度下的循环稳定性;e MnMnP阳极的原位照片(侧视图)。
6 a β - PTCDA 的粉末X射线衍射Rietveld精修图。b β - PTCDA 电极在不同溶液中循环后的循环稳定性及隔膜图像。ab经许可转载[33]c α - PTCDA  XRD 图谱(插图为晶体结构示意图)。d α - PTCDA 0.1 M MnSO4中的GCD曲线;e α - PTCDA 0.11.02.0 M MnSO42.0 A g−1电流密度下的循环稳定性
7 a:半电池在0.2 mV s⁻¹电流密度下的循环伏安(CV)曲线;插图展示了半电池的结构构造。b:选定能级下的原位 SXRD 光谱与拉曼光谱;c:工作条件下S K XAFS 光谱的形貌图;dS 2p轨道的原位 XPS 光谱;e:完整转化路径的示意图。
【结论总结】
本综述系统建立水系可充锰电池机理 - 材料 - 电解液全链条认知体系,直指核心瓶颈与破局路径:1机理层面Mn²⁺/H⁺共嵌入、Mn³⁺歧化、Jahn-Teller 畸变、强溶剂化是本征限制;2正极层面:钒基高容量、PBA 长寿命、有机高可持续,需抗畸变、耐溶解、择质子设计;3负极层面Mn 金属 HER 剧烈,界面工程、合金化、无锰摇椅式是主流解决方案;4电解液层面:溶剂化重构、pH 缓冲、功能添加剂是抑制副反应、拓宽窗口的核心手段。该综述为开发高安全、低成本、长寿命、高电压水系锰电池提供系统性理论指导与设计范式。
【文献速递】
Emergence of Rechargeable Aqueous Manganese Batteries.Nano-Micro Letters, 2026; https://doi.org/10.1007/s40820-026-02174-z
本文内容来源于学术研究论文,版权归原作者所有。转载旨在分享学术成果,仅供参考,不构成任何应用建议。如涉及作品内容、版权或其他问题,请及时联系处理。
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  1. CONNECT:[ UseTime:0.000642s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000704s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000363s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000371s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000641s ]
  6. SELECT * FROM `set` [ RunTime:0.000238s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000575s ]
  8. SELECT * FROM `article` WHERE `id` = 554309 LIMIT 1 [ RunTime:0.000444s ]
  9. UPDATE `article` SET `lasttime` = 1778099314 WHERE `id` = 554309 [ RunTime:0.001596s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000246s ]
  11. SELECT * FROM `article` WHERE `id` < 554309 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000408s ]
  12. SELECT * FROM `article` WHERE `id` > 554309 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000431s ]
  13. SELECT * FROM `article` WHERE `id` < 554309 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000636s ]
  14. SELECT * FROM `article` WHERE `id` < 554309 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001363s ]
  15. SELECT * FROM `article` WHERE `id` < 554309 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001320s ]
0.115873s