▲ Vol 07 Issue 08 | August , 2025

Addressing the interface issues of all-solid-state lithium batteries by ultra-thin composite solid-state electrolyte combined with the integrated preparation technology

Xiaoxue Zhao, Chao Wang, Xiaomeng Fan, Yang Li, Dabing Li, Yanling Zhang, Li-Zhen Fan

The interfacial engineering in solid-state lithium batteries (SSLBs) is attracting escalating attention due to the profoundly enhanced safety, energy density, and charging capabilities of future power storage technologies. Nonetheless, polymer/ceramic interphase compatibility, serious agglomeration of ceramic particles, and discontinuous ionic conduction at the electrode/electrolyte interface seriously limit Li+ transport in SSLBs and block the application and large-scale manufacturing. Hence, garnet Li7La3Zr2O12 (LLZO) nanoparticles are introduced into the polyacrylonitrile (PAN) nanofiber to fabricate a polymer-ceramic nanofiber-enhanced ultrathin SSE membrane (3D LLZO-PAN), harnessing nanofiber confinement to aggregate LLZO nanoparticles to build the continuous conduction pathway of Li+. In addition, a novel integrated electrospinning process is deliberately designed to construct tight physical contact between positive electrode/electrolyte interphases. Importantly, the synergistic effect of the PAN, polyethylene oxide (PEO), and lithium bis((trifluoromethyl)sulfonyl)azanide (LiTFSI) benefits a stable solid electrolyte interphase (SEI) layer, resulting in superior cycling performance, achieving a remarkable 1500 h cycling at 0.2 mA cm−2 in the Li|3D LLZO-PAN|Li battery. Consequently, the integrated polymer-ceramic nanofiber-enhanced SSEs simultaneously achieve the balance in ultrathin thickness (16 μm), fast ion transport (2.9 × 10−4 S cm−1), and superior excellent interface contact (15.6 Ω). The LiNi0.8Co0.1Mn0.1O2|3D LLZO-PAN|Li batteries (2.7–4.3 V) can work over 200 cycles at 0.5 C. The pouch cells with practical LiNi0.8Co0.1Mn0.1O2||Li configuration achieve an ultrahigh energy density of 345.8 Wh kg−1 and safety performance. This work provides new strategies for the manufacturing and utilization of high-energy-density SSLBs.

https://onlinelibrary.wiley.com/doi/10.1002/inf2.70012

▲ Vol 35 Issue 31 | August 01, 2025

Novel Upcycling of Mixed Spent Cathodes Toward High Energy Density LiMnxFe1−XPO4 Cathode Material

Yanrun Mei, Ran Chen, Zhe Shao, Wenjie Qin, Luyao Xu, Longmin Liu, Jingjing Zhou, Jingping Hu, Huijie Hou, Lixia Yuan, Jiakuan Yang

Lithium-Ion Batteries

In article number 2507185, Jingping Hu, Huijie Hou, and co-workers report an upcycling strategy that turns battery waste into a high-value, powerful energy source. The image features a high-speed race between two concept cars, symbolizing the performance leap of battery cathode materials. The leading orange car, labeled “LMFP”, represents our upcycled LiMnxFe1−xPO4 material, showcasing its superior voltage and capacity. It is overtaking the blue car, which represents the conventional LiFePO4 (LFP) material. The glowing microscopic structures in the background depict the transformation from mixed spent cathodes into a homogeneously distributed, high-performance solid solution, which is the key to the enhanced energy density.

https://advanced.onlinelibrary.wiley.com/doi/10.1002/adfm.70651

▲ Vol 12 Issue 30 | August 14, 2025

Bioinspired Claw-Engaged Adhesive Microparticles Armed with γGC Alleviate Ulcerative Colitis via Targeted Suppression of Macrophage Ferroptosis

Rong Wang, Jianwei Zhu, Jinyi Zhou, Jinyang Li, Min Wang, Yuqi Wu, Danshan Zhao, Xiancheng Chen, Xiaoyuan Chen, Yuetong Wang, Jianhua Zou

Claw-Engaged Microparticles Armed with γGC Suppress Ferroptosis

γGC deficiency in ulcerative colitis drives macrophage ferroptosis-mediated inflammation. Claw-engaged microparticles armed with γGC (γGC-MPs) enhance lesion targeting, promoting localized γGC release and tissue uptake, thereby inhibiting macrophage ferroptosis. More details can be found in article number 2503903 by Xiancheng Chen, Xiaoyuan Chen, Yuetong Wang, Jianhua Zou, and co-workers. On the cover, Monkey King (Macrophage) armed with Golden Cudgel (Ferroptosis) was bound by the Immortal-Binding Rope and subsequently sealed beneath the Five-Fingered Mountain (γGC-MPs) to prevent his further mischief.

https://advanced.onlinelibrary.wiley.com/doi/10.1002/advs.71155

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静远嘲风（MY Scimage） 成立于2007年，嘲风取自中国传统文化中龙生九子，子子不同的传说，嘲风为守护屋脊之瑞兽，喜登高望远；静远取自成语“宁静致远”，登高莫忘初心，远观而不可务远。

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