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| 1 | Advancement toward Polymer Electrolyte Membrane Fuel Cells at Elevated Temperatures显示文摘Elevation of operational temperatures of polymer electrolyte membrane fuel cells(PEMFCs)has been demonstrated with phosphoric acid-doped polybenzimidazole(PA/PBI)membranes.The technical perspective of the technology is simplified construction and operation with possible integration with,e.g.,methanol reformers.Toward this target,significant efforts have been made to develop acid-base polymer membranes,inorganic proton conductors,and organic-inorganic composite materials.This report is devoted to updating the recent progress of the development particularly of acid-doped PBI,phosphate-based solid inorganic proton conductors,and their composite electrolytes.Long-term stability of PBI membranes has been well documented,however,at typical temperatures of 160℃.Inorganic proton-conducting materials,e.g.,alkali metal dihydrogen phosphates,heteropolyacids,tetravalent metal pyrophosphates,and phosphosilicates,exhibit significant proton conductivity at temperatures of up to 300℃ but have so far found limited applications in the form of thin films.Composite membranes of PBI and phosphates,particularly in situ formed phosphosilicates in the polymer matrix,showed exceptionally stable conductivity at temperatures well above 200℃.Fuel cell tests at up to 260℃ are reported operational with good tolerance of up to 16%CO in hydrogen,fast kinetics for direct methanol oxidation,and feasibility of nonprecious metal catalysts.The prospect and future exploration of new proton conductors based on phosphate immobilization and fuel cell technologies at temperatures above 200℃ are discussed. | Jin Zhang David Aili Shanfu Lu Qingfeng Li and San Ping Jiang | 2020 | Research2020，，1： | 6 |
| 2 | China Antihypertensive Trial in Acute Ischemic Stroke II (CATIS-2): rationale and design显示文摘Backgrounds Increased blood pressure(BP)for patients who had an acute ischaemic stroke is associated with poor functional outcome,however the optimal timing of antihypertensive therapy is unknown.Aims We aim to compare early antihypertensive treatment to delayed antihypertensive treatment for reducing the risk of composite major disability and mortality at 3 months in acute ischaemic stroke.Design The China Antihypertensive Trial in Acute Ischemic Stroke II(CATIS-2)trial is a multicentre,randomised,open-label,blinded-endpoints trial that will be conducted in 100 hospitals in China.The primary outcome is the composite of death and major disability(modified Rankin Scale score≥3)at 3 months of randomisation.Antihypertensive treatment will be received immediately after randomisation in the early treatment group,aimed at average systolic BP by 10%-20%reduction within the first 24 hours,and achieving an average BP level of<140/90 mm Hg within 5 days.Patients in the delayed treatment group will discontinue any antihypertension medications for the first 7 days of randomisation,and will receive antihypertensive therapy achieving a BP goal of<140/90 mm Hg after 7 days.Conclusion The CATIS-2 trial will be testing the hypotheses that early BP lowering leads to improved functional outcome without any other harms,and developing clinical guidelines of the BP management for patients who had an acute ischaemic stroke. | Liping Liu Yilong Wang Xuewei Xie Dacheng Liu Aili Wang Penglian Wang Suwen Shen Chongke Zhong Yufei Wei Tan Xu Yuesong Pan Yong Jiang Xia Meng David Wang Yonghong Zhang Jiang He Yongjun Wang | 2021 | Stroke & Vascular Neurology2021，6，2： | 3 |
| 3 | The effect of short-term growth hormone treatment on growth and energy expenditure in burned children显示文摘 | J.F Aili Low Robert E Barrow Bettina Mittendorfer Marc G Jeschke David L Chinkes David N Herndon | 2001 | Burns2001，，5： | 1 |
| 4 | 长侧链季铵基团功能化聚(亚芳基-哌啶鎓盐)阴离子交换膜的制备及在全钒液流电池中的应用显示文摘离子选择性是全钒氧化还原液流电池(VRFBs)用膜材料的重要性能指标.本文以主链中没有醚键的聚(亚芳基哌啶-哌啶)(PTP)为基体材料,通过其和碘甲烷、1-溴戊烷和(5-溴戊基)-三甲基溴化铵间的门秀金(Menshutkin)反应,使PTP中哌啶基团季铵化,合成了不同侧链接枝的聚(亚芳基-哌啶鎓盐)型阴离子交换膜(AEMs).研究了AEMs的硫酸掺杂含量、溶胀性、钒离子渗透性、离子选择性、面电阻、机械性能、全钒液流电池性能和循环寿命.同时提出了一种测量AEMs氢离子透过率的方法,结果表明,氢离子在AEMs中也能有效传导.长侧链季铵盐接枝的膜材料(PTP-QA)具有最高的H^(+)透过率,同时具有较低的面电阻和良好的阻钒性能.PTP-QA膜的离子选择性(电导率与钒离子透过率的比值)是Nafion 115离子选择性的370倍.由PTP-QA膜组装的VRFB,在80-160 mAcm^(-2)电流密度下的库伦效率高于99%;在100 mAcm^(-2)下的能量效率高达89.8%(Nafion 115组装的VRFB的能量效率为73.6%);同时,该VRFB也表现出良好的循环稳定性和容量保持率.研究表明聚(亚芳基-哌啶鎓盐)型AEMs在VRFB中具有潜在的应用价值. | 车雪夫 唐维琴 董建豪 David Aili 杨景帅 | 2022 | Science China Materials2022，65，3： | 0 |
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