Asger Risom
In a world-first breakthrough, researchers at Aarhus University have developed “living cement” — a revolutionary material that can store and release energy.
In a world-first breakthrough, researchers at Aarhus University have developed “living cement” — a revolutionary material that can store and release energy.
A Revolution in Construction
The building industry is undergoing a technological transformation. Now, Danish scientists have unveiled a new type of cement that does more than hold structures together — it can generate and store electricity.
The Power of Bacteria
The cement integrates Shewanella oneidensis, a bacterium capable of extracting electrons from its cells. This allows the material to form an internal charge network that functions like a battery.
Outperforming Traditional Storage
Initial tests show that this bio-cement already rivals — and in some cases surpasses — conventional energy storage devices. At the same time, it retains the durability expected from modern construction materials.
Feeding the Living Cement
Bacteria need nutrients to stay active. Researchers solved this by embedding a microfluidic system in the cement that delivers essential proteins, vitamins, and salts — even reviving dormant microbes.
Self-Recharging Infrastructure
This system enables the material to regain up to 80% of its energy storage capacity, making it a recoverable energy source. Structures could recharge over time without replacing any part of the material.
Lighting Up from Cement Blocks
In practical tests, six cement blocks produced enough electricity to power an LED lamp — a small step that points to massive future potential in urban infrastructure.
From Walls to Power Plants
Lead researcher Qi Luo believes this isn’t just theoretical. The material could be used in walls, foundations, and bridges, essentially turning entire buildings into distributed energy systems.
Sustainable and Resilient
Unlike batteries that degrade over time, this living material is designed for long-term use. The built-in nutrient system helps maintain its energy function, even under stress or aging.
A New Frontier for Smart Cities
As cities seek greener and more efficient energy solutions, living cement may become a cornerstone of smart architecture — where buildings generate, store, and manage their own power.
This article is made and published by Asger Risom, which may have used AI in the preparation
