Perspective: Bio-Inspired Electrochemistry
Word Count: 680
**Core Innovation** - _MIT’s Artificial Ion Channels_:
• Mimic **K⁺-selective protein pores** in nerve cells
• Boost Li⁺ transfer kinetics by **3.2×** vs liquid electrolytes
• Achieve **99.91%** Coulombic efficiency at -30°C
**Key Technologies** 1. **DNA Scaffold Electrodes**:
- Stanford’s DNA-templated MnO₂ cathodes:
* 248 mAh/g capacity at 5C
* Self-healing fracture gaps via **π-π stacking** 2. **Enzyme-Activated Separators**:
- Fraunhofer ISC’s protease-based layer:
* Autonomously degrades dendrites in 72h
* Extends cycle life by **400%** **Industrial Applications** - **Samsung SDI’s Marine Battery**:
- Sea urchin spine-inspired porous anode
- Withstands 500 bar pressure (deep-sea ROVs)
- **Form Energy’s Iron-Air System**:
- Oxygen reduction catalyst mimicking **hemoglobin**
- $20/kWh capital cost for 100h storage
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