Localized acidic microenvironment by Brønsted acid oxides eliminates ultrapure water requirement in PEM electrolysers

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Qing Li , Bing Wang , Qi Xu , Ruiyou Liu , Chen Li , Fang Luo , Yifei Li , Yingjie Yu , Zehui Yang . Pt dopants in ruthenium/iridium oxides promote catalytic activity in overall acidic water splitting. Chinese Chemical Letters, 2025, 36(12): 111658-. doi: 10.1016/j.cclet.2025.111658

Runze Liu ,  Yankai Bian ,  Weili Dai . Qualitative and quantitative analysis of Brønsted and Lewis acid sites in zeolites: A combined probe-assisted 1H MAS NMR and NH3-TPD investigation. Chinese Journal of Structural Chemistry, 2024, 43(4): 100250-100250. doi: 10.1016/j.cjsc.2024.100250

Yanfei Liu , Yaqin Hu , Yifu Tan , Qiwen Chen , Zhenbao Liu . Tumor acidic microenvironment activatable DNA nanostructure for precise cancer cell targeting and inhibition. Chinese Chemical Letters, 2025, 36(1): 110289-. doi: 10.1016/j.cclet.2024.110289

Qing Li , Yumei Feng , Yingjie Yu , Yazhou Chen , Yuhua Xie , Fang Luo , Zehui Yang . Engineering e_g filling of RuO₂ enables a robust and stable acidic water oxidation. Chinese Chemical Letters, 2025, 36(3): 110612-. doi: 10.1016/j.cclet.2024.110612

Ji Chen , Yifan Zhao , Shuwen Zhao , Hua Zhang , Youyu Long , Lingfeng Yang , Min Xi , Zitao Ni , Yao Zhou , Anran Chen . Heterogeneous bimetallic oxides/phosphides nanorod with upshifted d band center for efficient overall water splitting. Chinese Chemical Letters, 2024, 35(9): 109268-. doi: 10.1016/j.cclet.2023.109268

Fengyun Li , Zerong Pei , Shuting Chen , Gen li , Mengyang Liu , Liqin Ding , Jingbo Liu , Feng Qiu . Multifunctional nano-herb based on tumor microenvironment for enhanced tumor therapy of gambogic acid. Chinese Chemical Letters, 2024, 35(5): 108752-. doi: 10.1016/j.cclet.2023.108752

Jielin Wang , Han Ye , Bozhuang Zhou , Zhen Pan , Yucai Li , Zhenyuan Wei , Bin Chai , Yizhou Gao , Xiaojian Ye , Jiangming Yu . Biomimetic nanofibrillar/hyaluronic acid hydrogels remodel the neuromodulatory microenvironment for enhanced bone regeneration. Chinese Chemical Letters, 2025, 36(5): 110133-. doi: 10.1016/j.cclet.2024.110133

Shuai Liu ,  Wen Wu ,  Peili Zhang ,  Yunxuan Ding ,  Chang Liu ,  Yu Shan ,  Ke Fan ,  Fusheng Li . Mechanistic insights into acidic water oxidation by Mn(2,2′-bipyridine-6,6′-dicarboxylate)-based hydrogen-bonded organic frameworks. Chinese Journal of Structural Chemistry, 2025, 44(3): 100535-100535. doi: 10.1016/j.cjsc.2025.100535

Xiaoqian Wei ,  Hanyu Gao ,  Tiantian Wang ,  Zijian Li ,  Yanru Geng ,  Guiping Zheng ,  Min Gyu Kim ,  Haeseong Jang ,  Xien Liu ,  Qing Qin . Neodymium-doped hollow Ir/IrO2 nanospheres with low geometric iridium density enable excellent acidic water oxidation performance. Chinese Journal of Structural Chemistry, 2025, 44(7): 100600-100600. doi: 10.1016/j.cjsc.2025.100600

Qing Li , Yumei Feng , Yuhua Xie , Qi Xu , Yifei Li , Yingjie Yu , Fang Luo , Zehui Yang . MOF derived RuO₂/V₂O₅ nanoneedles for robust and stable water oxidation in acid. Chinese Chemical Letters, 2025, 36(7): 111074-. doi: 10.1016/j.cclet.2025.111074

Han Yan , Xudong Yang , Wen Liu , Fengbin Sun , Guodong Jia . Biochar-supported amorphous ferric hydroxide for peracetic acid activation to degrade cefapirin in water: The crucial roles of iron and nitrogen. Chinese Chemical Letters, 2026, 37(3): 111542-. doi: 10.1016/j.cclet.2025.111542

Zicong Yang , Guangshun Ran , Hui Song , Yukun Chang , Jinshu Wang , Hongyi Li . Synergistic Co Pd affection impart high overall water splitting efficiency to Pt/Ir-based electrocatalyst in acid. Chinese Chemical Letters, 2026, 37(3): 111370-. doi: 10.1016/j.cclet.2025.111370

Zhe Wang , Li-Peng Hou , Qian-Kui Zhang , Nan Yao , Aibing Chen , Jia-Qi Huang , Xue-Qiang Zhang . High-performance localized high-concentration electrolytes by diluent design for long-cycling lithium metal batteries. Chinese Chemical Letters, 2024, 35(4): 108570-. doi: 10.1016/j.cclet.2023.108570

Junjie Duan , Dan Chen , Long Chen , Shuying Li , Ting Chen , Dong Wang . 2D hexagonal tessellations sustained by Br···Br/H contacts: From regular to semiregular to k-uniform tilings. Chinese Chemical Letters, 2025, 36(3): 110445-. doi: 10.1016/j.cclet.2024.110445

Boyuan Liu , Zixu Liu , Ping Wang , Yu Zhang , Haibing He , Tian Yin , Jingxin Gou , Xing Tang . Nanomedicine-based targeting delivery systems for peritoneal cavity localized therapy: A promising treatment of ovarian cancer and its peritoneal metastasis. Chinese Chemical Letters, 2025, 36(6): 110229-. doi: 10.1016/j.cclet.2024.110229

Zimo Peng ,  Quan Zhang ,  Gaocan Qi ,  Hao Zhang ,  Qian Liu ,  Guangzhi Hu ,  Jun Luo ,  Xijun Liu . Nanostructured Pt@RuOx catalyst for boosting overall acidic seawater splitting. Chinese Journal of Structural Chemistry, 2024, 43(1): 100191-100191. doi: 10.1016/j.cjsc.2023.100191

Yuhan Wu ,  Qing Zhao ,  Zhijie Wang . Layered vanadium oxides: Promising cathode materials for calcium-ion batteries. Chinese Journal of Structural Chemistry, 2024, 43(5): 100271-100271. doi: 10.1016/j.cjsc.2024.100271

Wenxuan Yang , Long Shang , Xiaomeng Liu , Sihan Zhang , Haixia Li , Zhenhua Yan , Jun Chen . Ultrafast synthesis of nanocrystalline spinel oxides by Joule-heating method. Chinese Chemical Letters, 2024, 35(11): 109501-. doi: 10.1016/j.cclet.2024.109501

Yuanyuan Zhao , Zhiming Zhu , Liang Li , Bingyao Shi , Ziyang Li , Yuyang Huang , Lijun Jiang , Chao Shu . Photoinduced site-selective thiosulfinylation of alkynols for the synthesis of oxathiolene oxides. Chinese Chemical Letters, 2025, 36(10): 110900-. doi: 10.1016/j.cclet.2025.110900