Over the past decades, ground‐breaking techniques and transformative progress have been
achieved on exploring alternative battery candidates beyond lithium‐ion batteries, among …

Hollow carbon nanocages (HCNCs) consisting of sp2 carbon shells featured by a hollow
interior cavity with defective microchannels (or customized mesopores) across the carbon …

Heteroatom doping in carbon‐based anode materials is crucial to improve their capacity and
promoting the practical application of low‐cost potassium‐ion batteries (KIBs). Herein, the …

Defects engineering is an attractive strategy to improve the potassium storage performance
of carbon anodes. The current studies mainly focus on the introduction of external defects …

Oxygen‐containing functional groups (OFGs) grafted by carbon materials surface can serve
as active sites to reversibly store potassium and simultaneously contribute to forming a …

Carbonaceous materials are promising anodes for practical potassium‐ion batteries, but fail
to meet the requirements for durability and high capacities at low potentials. Herein, we …

Carbonaceous anodes hold great promise for potassium-ion batteries (PIBs), however, their
electrochemical performance is still unsatisfactory to meet practical requirements due to low …

Potassium ion battery (PIB) is a potential candidate for future large‐scale energy storage. A
key challenge is that the (de) potassiation stability of graphitic carbon anodes is hampered …

Lignin, one of the renewable constituents in natural plant biomasses, holds great potential
as a sustainable source of functional carbon materials. Tremendous research efforts have …

Potassium-ion batteries (PIBs) have emerged as a significant technology for large-scale
energy storage. With merits of high abundance, sustainability, and low cost, hard carbons …