Recent advances in wood-based electrode materials for supercapacitors

Abstract

In the last few years, the renewable, inexpensive, biocompatible, and biodegradable wood and lignocellulose materials have triggered considerable research interest for the application in various functional devices. However, there is...

Strong, Lightweight, and Shape‐Memory Bamboo‐Derived All‐Cellulose Aerogels for Versatile Scaffolds of Sustainable Multifunctional Materials

“…These tubular bamboo fibers consist mainly of CMF bundles encapsulated with lignin and hemicellulose (Figure 1a‐I). [ 21 ] To obtain CMFs, we first carried out a delignification process to remove the lignin and hemicellulose from bamboo sawdust using NaOH and NaClO 2 solution. Note that the as‐prepared CMFs powder displays a pure white texture compared with the brown native bamboo sawdust (the inset of Figure S1c, Supporting Information) due to the removal of light‐absorbing chromophoric groups from lignin.…”

“…[18,19] What's more, CAs with excellent water resistance allow the fabrication of functional cellulose-based composite aerogels by a facile and efficient solution impregnation method. [20][21][22] On the other hand, shape-memory CAs are receiving increasing attention in the fields of actuators and sensors for soft robotics and biomedicine. [23,24] It is therefore of inexorable trend to integrate the merits of toughness, lightweight, and shape-memory function into CA for multifunctional application.…”

Collagen materials with oriented structure for biomedical applications

“…Natural polymers have unique oriented structures, for example, cellulose in wood is oriented in a one-dimensional direction for nutrient delivery. 82 The meticulous arrangement of collagen in the skin upholds its radiance and flexibility, 83 while the precise orientation of structures within tendons 84 and bones 7 preserves the tissue's structural attributes and stability. 85,86 (Figure 2A-C) These methods commonly involve spinning, three-dimensional (3D) printing, regulating applied electromagnetic fields, electrostatic techniques, and freeze casting.…”

Integrated recycling of valuable elements from spent LiFePO4 batteries: a green closed-loop process

“…1,2 Massive usage of lithium-ion batteries is raising the cost of lithium salts, boosting the economic driver of the battery recovery industry. [3][4][5][6] As shown in Fig. 1a, with the increasing development of the new energy vehicle industry in China, the market size of waste battery recycling is gradually expanding, which is expected to reach $13 705 million in 2026.…”