Activity targets for nanostructured platinum-group-metal-free catalysts in hydroxide exchange membrane fuel cells BP Setzler, Z Zhuang, JA Wittkopf, Y Yan Nature nanotechnology 11 (12), 1020-1025, 2016 | 356 | 2016 |
Platinum–ruthenium nanotubes and platinum–ruthenium coated copper nanowires as efficient catalysts for electro-oxidation of methanol J Zheng, DA Cullen, RV Forest, JA Wittkopf, Z Zhuang, W Sheng, JG Chen, ... Acs Catalysis 5 (3), 1468-1474, 2015 | 171 | 2015 |
All-2D material inkjet-printed capacitors: toward fully printed integrated circuits R Worsley, L Pimpolari, D McManus, N Ge, R Ionescu, JA Wittkopf, ... Acs Nano 13 (1), 54-60, 2018 | 132 | 2018 |
Manipulating water in high-performance hydroxide exchange membrane fuel cells through asymmetric humidification and wetproofing RB Kaspar, MP Letterio, JA Wittkopf, K Gong, S Gu, Y Yan Journal of the Electrochemical Society 162 (6), F483, 2015 | 92 | 2015 |
High-performance dealloyed PtCu/CuNW oxygen reduction reaction catalyst for proton exchange membrane fuel cells JA Wittkopf, J Zheng, Y Yan Acs Catalysis 4 (9), 3145-3151, 2014 | 62 | 2014 |
Reverse-current decay in hydroxide exchange membrane fuel cells RB Kaspar, JA Wittkopf, MD Woodroof, MJ Armstrong, Y Yan Journal of the Electrochemical Society 163 (5), F377, 2016 | 27 | 2016 |
3D printed electronics with multi jet fusion JA Wittkopf, K Erickson, P Olumbummo, A Hartman, H Tom, L Zhao NIP & Digital Fabrication Conference 35, 29-33, 2019 | 20 | 2019 |
Exchange current density of the hydrogen oxidation reaction on Pt/C in polymer solid base electrolyte MD Woodroof, JA Wittkopf, S Gu, YS Yan Electrochemistry Communications 61, 57-60, 2015 | 19 | 2015 |
ModElec: A design tool for prototyping physical computing devices using conductive 3D printing L He, JA Wittkopf, JW Jun, K Erickson, RT Ballagas Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2021 | 14 | 2021 |
Synthesis of 2D anatase TiO 2 with highly reactive facets by fluorine-free topochemical conversion of 1T-TiS 2 nanosheets M Zarattini, C Dun, LH Isherwood, A Felten, J Filippi, MP Gordon, L Zhang, ... Journal of Materials Chemistry A 10 (26), 13884-13894, 2022 | 12 | 2022 |
Chipless RFID with fully inkjet printed tags: a practical case study for low cost smart packaging applications J Wittkopf, N Ge, R Ionescu, W Staehler, D Pederson, H Holder 2018 IEEE 68th electronic components and technology conference (ECTC), 940-947, 2018 | 9 | 2018 |
Automated handling based on part identifier and location KJ Erickson, J Wittkopf, R Ballagas, DW George, L Zhao, WJ Allen US Patent 11,969,945, 2024 | 3 | 2024 |
Part re-order based on part-specific sensor data KJ Erickson, J Wittkopf, R Ballagas, DW George, L Zhao, WJ Allen US Patent 11,887,177, 2024 | 2 | 2024 |
Fluidic conductive trace based radio-frequency identification N Ge, J Wittkopf, R Ionescu, HA Holder, PH Mazurkiewicz US Patent 11,423,277, 2022 | 2 | 2022 |
Sensing manufacturing conditions while 3d printing KJ Erickson, J Wittkopf, R Ballagas, DW George, L Zhao, WJ Allen US Patent App. 17/414,677, 2022 | 2 | 2022 |
Lifecycle condition-based manufacturing alteration KJ Erickson, J Wittkopf, R Ballagas, DW George, L Zhao, WJ Allen US Patent 11,981,084, 2024 | 1 | 2024 |
Storing manufacturing conditions while 3d printing KJ Erickson, J Wittkopf, R Ballagas, DW George, L Zhao, WJ Allen US Patent App. 17/415,079, 2022 | 1 | 2022 |
Interrupted additive manufacturing KJ Erickson, J Wittkopf, A Hartman, L Zhao US Patent App. 17/414,175, 2022 | 1 | 2022 |
Flexible printed articles RC Ionescu, HA Holder, JA Wittkopf, R Worsley, C Casiraghi, JP Shields US Patent App. 17/298,641, 2022 | 1 | 2022 |
3D Monolithic Metal Orifice Plate for SERS Application: A Showcase of Low Cost MEMS Packaging N Ge, J Wittkopf, S Simske, S Barcelo, R Ionescu, D Lazaroff, K Dooley, ... 2017 IEEE 67th Electronic Components and Technology Conference (ECTC), 937-942, 2017 | 1 | 2017 |