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R

Rolf Hempelmann

Saarland University

56H指数
497论文数
1.1W被引数
收录论文 101
发表时间
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Nanoporous aluminum oxide templates to tailor magnetic anisotropy of electrodeposited cobalt phosphorus nanowires for hard magnetic micro devices纳米多孔氧化铝模板定制用于硬磁性微器件的电沉积钴磷纳米线的磁各向异性
errJournal of Materials Research and Technology
IF6.6
err2026-01-17
err0
errOAAI
errFelix Wetzler; Vanessa Hayna; Janina Koziol; Guido Falk; Rolf Hempelmann; Peter Starke; Monika Saumer
err分享
err收藏
Feasibility of integrated water treatment by chlorine oxidation and hydrogen production in water electrolysis systems using proton exchange membranes采用质子交换膜的水电解系统中，通过氯氧化和氢气生产进行集成水处理的可行性
errInternational Journal of Hydrogen Energy
IF8.3
err2025-11-14
err0
PREAI
errYeji Seo; Mi-Jin Choi; Sangwon Kim; Sungyun Lee; Rolf Hempelmann; Jongkwan Park
err分享
err收藏
State-of-the-art review of degradation mechanisms of commercial lithium-ion batteries商业锂离子电池降解机制的最新研究综述
errJOURNAL OF POWER SOURCES
IF7.9
err2025-05-31
err0
PREAI
errJeon, Dong Hyup; Kim, Sangwon; Hempelmann, Rolf
err分享
err收藏
High-Performance PBI-EMIM-DCA Membrane for Enhanced Efficiency and Longevity in Vanadium Redox Flow Batteries高性能PBI-EMIM-DCA膜在钒红ox液流电池中的效率提升与寿命延长
errJOURNAL OF PHYSICAL CHEMISTRY C
IF3.2
err2025-05-11
err0
PREAI
errLee, Dong Jun; Im, Kwang Seop; Hempelmann, Rolf; Kim, Sangwon
err分享
err收藏
In Situ Formation of Nitrogen-Doped CNTs from Liquid Precursor for Improving Oxygen Reduction Activity原位合成氮掺杂碳纳米管（CNTs）以改善氧还原活性
errACS APPLIED ENERGY MATERIALS
IF5.5
err2025-05-06
err0
PREAI
errWang, ZZ; Zhou, XZ; Cui, JX; Hempelmann, R; Mu, SC
err分享
err收藏
Pairing nitroxyl radical and phenazine with electron-withdrawing/-donating substituents in water-in-ionic liquid for high-voltage aqueous redox flow batteries在离子液体中水中将硝酰基自由基和吩嗪与吸电子/供电子取代基配对，用于高压水溶液氧化还原液流电池
errenergy environment
IF14.6
err2024-04-01
err7
errOAAI
errHuang, Zhifeng; Hempelmann, Rolf; Zhang, Yiqiong; Tao, Li; Chen, Ruiyong
err分享
err收藏
Phosphonium-Based Polyelectrolytes: Preparation, Properties, and Usage in Lithium-Ion Batteries鳞基聚电解质: 制备，性能和在锂离子电池中的用途
errPOLYMERS
IF4.9
err2023-06-30
err4
errOAAI
errMisenan, Muhammad Syukri Mohamad; Hempelmann, Rolf; Gallei, Markus; Eren, Tarik
err分享
err收藏
P-containing coated carbons from phosphonium ionic liquids as catalyst supports for fuel cell applications
errSUSTAINABLE ENERGY & FUELS
IF4.1
err2023-01-01
err0
errOAAI
errSeverin, Angelo A.; Rauber, Daniel; Pachoula, Stavroula; Philippi, Frederik; Radev, Ivan; Holtsch, Anne; Mueller, Frank; Baumgaertner, Manfred; Hempelmann, Rolf; Kay, Christopher W. M.
err分享
err收藏
Novel Phosphonium-Based Ionic Liquid Electrolytes for Battery Applications
errMOLECULES
IF4.6
err2022-07-24
err10
errOAAI
errHofmann, Andreas; Rauber, Daniel; Wang, Tzu-Ming; Hempelmann, Rolf; Kay, Christopher W. M.; Hanemann, Thomas
err分享
err收藏
High-Temperature Quantum Tunneling and Hydrogen Bonding Rearrangements Characterize the Solid-Solid Phase Transitions in a Phosphonium-Based Protic Ionic Liquid
errCHEMISTRY-A EUROPEAN JOURNAL
IF3.7
err2022-03-28
err0
errOAAI
errKhudozhitkov, Alexander E.; Donoshita, Masaki; Stepanov, Alexander G.; Philippi, Frederik; Rauber, Daniel; Hempelmann, Rolf; Kitagawa, Hiroshi; Kolokolov, Daniil, I; Ludwig, Ralf
err分享
err收藏
High-frequency dynamics and test of the shoving model for the glass-forming ionic liquid Pyr14-TFSI
errPHYSICAL REVIEW MATERIALS
IF3.4
err2021-06-25
err4
PREAI
errEliasen, Kira L.; Hansen, Henriette W.; Lundin, Filippa; Rauber, Daniel; Hempelmann, Rolf; Christensen, Tage; Hecksher, Tina; Matic, Aleksandar; Frick, Bernhard; Niss, Kristine
err分享
err收藏
Structure-Property Relation of Trimethyl Ammonium Ionic Liquids for Battery Applications电池用三甲基铵离子液体的结构-性能关系
errAPPLIED SCIENCES-BASEL
IF2.5
err2021-06-19
err13
errOAAI
errRauber, Daniel; Hofmann, Andreas; Philippi, Frederik; Kay, Christopher W. M.; Zinkevich, Tatiana; Hanemann, Thomas; Hempelmann, Rolf
err分享
err收藏
Effect of Molecular Structure and Coordinating Ions on the Solubility and Electrochemical Behavior of Quinone Derivatives for Aqueous Redox Flow Batteries
errJOURNAL OF THE ELECTROCHEMICAL SOCIETY
IF3.3
err2020-11-20
err9
PREAI
errHuang, Zhifeng; Lee, Jongwook; Henkensmeier, Dirk; Hempelmann, Rolf; Kim, Sangwon; Chen, Ruiyong
err分享
err收藏
Ionic liquid derived nitrogen -doped graphite felt electrodes for vanadium redox flow batteries离子液体衍生的氮掺杂石墨毡电极用于钒液流电池
errCARBON
IF11.6
err2020-09-01
err27
PREAI
errYoon, Sang Jun; Kim, Sangwon; Kim, Dong Kyu; So, Soonyong; Hong, Young Taik; Hempelmann, Rolf
err分享
err收藏
Nitrogen-Doping Through Two-Step Pyrolysis of Polyacrylonitrile on Graphite Felts for Vanadium Redox Flow Batteries
errENERGY & FUELS
IF5.3
err2020-03-24
err13
PREAI
errYoon, Sang Jun; Kim, Sangwon; Kim, Dong Kyu; Yu, Duk Man; Hempelmann, Rolf; Hong, Young Taik; So, Soonyong
err分享
err收藏
Enhanced reaction kinetics of an aqueous Zn-Fe hybrid flow battery by optimizing the supporting electrolytes通过优化支持电解质来增强水性zn-fe混合液流电池的反应动力学
errJOURNAL OF ENERGY STORAGE
IF9.8
err2019-10-01
err18
PREAI
errZhang, Yonglai; Henkensmeier, Dirk; Kim, Sangwon; Hempelmann, Rolf; Chen, Ruiyong
err分享
err收藏
Layer-by-Layer modification of graphite felt with MWCNT for vanadium redox flow battery钒氧化还原液流电池用MWCNT逐层改性石墨毡
errELECTROCHIMICA ACTA
IF5.6
err2019-08-01
err23
errOAAI
errEtienne, Mathieu; Vivo-Vilches, Jose F.; Vakulko, Ivan; Genois, Claire; Liu, Liang; Perdicakis, Michel; Hempelmann, Rolf; Walcarius, Alain
err分享
err收藏
Tailoring electrochemical efficiency of hydrogen evolution by fine tuning of TiOx/RuOx composite cathode architecture
errINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
IF8.3
err2019-04-01
err5
PREAI
errFedorov, Fedor S.; Vasilkov, Mikhail Y.; Panov, Maxim; Rupasov, Dmitry; Rashkovskiy, Alexander; Ushakov, Nikolay M.; Lee, Jaeho; Hempelmann, Rolf; Kallio, Tanja; Nasibulin, Albert G.
err分享
err收藏
Influence of Water on Tribolayer Growth When Lubricating Steel with a Fluorinated Phosphonium Dicyanamide Ionic Liquid
errLUBRICANTS
IF2.9
err2019-03-22
err12
errOAAI
errUrtis, Luigi A.; Arcifa, Andrea; Zhang, Peng; Du, Junxiao; Fantauzzi, Marzia; Rauber, Daniel; Hempelmann, Rolf; Kraus, Tobias; Rossi, Antonella; Spencer, Nicholas D.
err分享
err收藏
Photometrical Determination of the State-of-Charge in Vanadium Redox Flow Batteries Part II: In Combination with Open-Circuit-Voltage
errZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS
IF3.2
err2019-03-09
err8
PREAI
errGeiser, Jan; Natter, Harald; Hempelmann, Rolf; Morgenstern, Bernd; Hegetschweiler, Kaspar
err分享
err收藏

研究方向

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