Revisiting Nickel-Copper-Zirconia-Hydrogen Systems in Low Energy Nuclear Reactions: Toward a Unified Framework Based on Electron Catalysis and Nuclear Data

The Low Energy Nuclear Reactions (LENR) community has accumulated a significant body of experimental evidence indicating anomalous effects in metal-hydrogen systems, particularly involving nickel, copper, and hydrogen. However, many of these experiments are accompanied by unresolved questions related to so-called “mysterious catalysts,” “secret ingredients,” or trace elements believed to trigger nuclear activity. Despite these uncertainties, mainstream nuclear physics offers a wealth of wellestablished nuclear data on the isotopes present in these systems, which remains largely underdeveloped in LENR research. In this paper, we propose a new approach that integrates the empirical findings of the LENR community with nuclear physics data, guided by Edward Teller’s concept of electron catalysis. Teller suggested that under specific conditions, electrons could facilitate the formation of neutral composite particles capable of overcoming the Coulomb barrier and initiating nuclear reactions at low energies. We outline how this theoretical framework may explain key experimental observations in Ni/Cu/Zr/H systems and provide a roadmap for future quantitative studies of reaction channels, energy balance, and reaction products. This approach may open new perspective on nuclear processes occurring at the femtometer scale within condensed matter environments.