Composite cathode composed of active particles and solid electrolytes (SEs) can considerably enlarge the particle-SE contact areas and achieve high areal loadings in all-solid-state batteries (ASSBs). However, the challenging interfacial instability and particle damage problems remain unsolved. Herein, we establish a 3D electrochemical-mechanical coupled model to investigate the underlying failure

Current recycling strategies for spent cathode materials mostly rely on destructive reconstruction methods to recover valuable metals; thus, sustainable improvements are urgently required to achieve the low-carbon and short-range recycling of spent lithium-ion batteries. Herein, we report a deep eutectic solvent consisting of ethylene glycol lithium, betaine, and urea (BEU) for the direct regeneration

Abstract not available

Sequestration of CO2 and recycling spent Li-ion batteries (LIBs) are essential for our society owing to the increased demands for decarbonization and energy/resources conservation. However, conventional CO2 fixation and LIBs recovery strategy are always accompanied with harsh reaction conditions or complex process. Herein, as an integrated process, CO2 was designed as a leaching agent to recycle the

Precise knowledge of the battery heat generation rate and the internal temperature rise allows accurate thermal regulation required for enabling fast charging while minimizing side reactions and avoiding thermal runaway. With the necessity of high energy density, the size of batteries is constantly increasing. Because of poor thermal conduction, the thermal lag in large batteries is significant resulting

Abstract not available

Huge volume expansion, unstable SEI-film evolution and uncontrollable Li plating remain challenging issues for achieving high energy-density and fast charging graphite/silicon anodes. Unfortunately, less reports on Li plating in graphite/silicon anodes have been found up to now. Herein, for the first time, we report that the interfacial polarization of silicon dominates the co-lithiation process with

This paper describes the design and synthesis of a series of terpyridine-based complexes of the first-row transition metals Cr, Mn, Fe, and Co for non-aqueous redox flow batteries (NARFBs). Electrochemical studies reveal that these complexes can undergo multi-electron transfer redox reactions. In particular, the Mn and Fe-based complexes exhibit both low negative redox potentials and high positive

Hard carbon anodes deliver attractive performance because of abundant active sites for hosting the charge. Among diverse charge storage mechanisms, pore-filling is of particular interest in emerging Na/K ion batteries owing to the induced high capacity at a low voltage. Despite the widely accepted Na ion pore-filling, whether K ion could fill in the nanopores remains vague. We explore the K ion storage

Aiming at the issue that the organic cathode of aqueous zinc-organic batteries (AZOBs) is easy to dissolve, a solubility-limited dibenzo [a, c] dibenzo [5, 6:7, 8] quinoxalino [2, 3-i] phenazine-10, 21‑dione (TABQ-PQ) molecule is successfully designed and synthesized. The extended π-conjugated plane not only improves the π conjugation effect of TABQ-PQ but also enhances its π-π stacked interaction

Li-rich or Ni-rich layered oxides are considered ideal cathode materials for high-energy Li-ion batteries (LIBs) owing to their high capacity (> 200 mAh g–1) and low cost. However, both are suffering from severe structural instability upon high-voltage cycling (> 4.5 V). Here, “Li-rich Ni-rich” Li1.08Ni0.9Mn0.1O2 oxides with core-shell architecture are designed and synthesized to improve their high-voltage

Abstract not available

Composite polymer/oxide electrolyte (CPE) is a promising candidate for all-solid-state lithium metal batteries (ASSLMBs), but controlling the interactions between components in CPEs to achieve high efficient Li+-transport and stable CPE/electrode interface is a challenge. Here, we report a mesoporous black LaxCoO3-δ nanofiber (NF) film with tunable cationic defects to regulate the molecular coordination