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"Be the world's leading and most reliable supplier of precise thermal control systems based on thermo-electric modules with outstanding quality and innovative technology" as a mission statement, KELK provides the highest quality thermoelectric modules and temperature control systems.
Started business in 1957, KELK is the world most traditional thermoelectric company and its product is highly evaluated in semiconductor process, telecommunication, science and industrial application.
KELK is a subsidiary of Komatsu, a world leading construction machinery manufacturer, famous for "Komtrax" that is machine tracking, health monitoring and fleet management system.
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22 Jun 2021

e-ThermoGentech (e-Thermo) Japan

We visited this company. They get half the efficiency of Komatsu KELK rigid thermoelectric chips meaning 3-4% but achieve what they call "unique" flexibility by using the usual BiTe as chip arrays on a flexible substrate.
17 Feb 2020

High power thermoelectric energy harvesting starts to look good

In energy harvesting in general, there is 100 times the market potential in high power rather than low power. In this article IDTechEx explores this opportunity.
16 Nov 2017

For Exploiting Thermoelectric Energy Harvesting Markets

KELK ltd.Japan
4 Sep 2017

Thermoelectrics: Doors Close; Doors Open

This article covers the challenges companies involved in thermoelectric energy harvesting have faced and possible areas of development in the future.
26 Jun 2017

KELK to launch thermoelectric generation-applied products

KELK Ltd is starting full-scale production and sales of three types of thermoelectric generation-applied products in June this year.
16 Nov 2016

Thermoelectric Energy Harvesting; Modules And Systems For Various Application

KELK ltd.Japan
6 Sep 2016

Learning from the death of Micropelt

Fabrice Poulin writes to a Linkedin energy harvesting group, "The industry was already buzzing about the difficulties of Micropelt end of last year."
5 May 2016

Smart Green Batteries Win the Europe 2016 Award in Berlin

Smart Green Batteries were winners at the IDTechEx Awards at the 8th Energy Harvesting and Storage Europe 2016, held in Berlin, Germany last week.
27 Apr 2016

Thermoelectric Energy Harvesting; Modules And Systems For Various Application

KELK, Japan
3 Mar 2016

IDTechEx announce the Energy Harvesting & Storage Europe Awards 2016

All companies operating within these technologies are welcome to apply. The winners will be announced during the drinks reception on 27 April at the annual IDTechEx Show! in Berlin.
19 Nov 2015

Thermoelectric Energy Harvesting; Modules and Systems for Various Application

KELK, Japan
29 Apr 2015

Thermoelectric Energy Harvesting; Modules and Systems for Various Applications

KELK, Japan
24 Apr 2015

Energy harvesting at the heavy end

At the event, "Energy Harvesting and Storage Europe 2015", uniquely, the whole scope of energy harvesting will be reviewed.
6 Mar 2015

Different electric vehicles pioneer best technology first

To benchmark new technology for electric vehicles it is vital to look at all of the off-road, on-road, water and airborne e-vehicles.
26 Dec 2014

Thermoelectric harvesting: Great increase in interest in 2014

Thermoelectric harvesting will be on production hybrid electric on-road vehicles from 2018. It will be commonplace on hybrids in 2020 and almost entirely to charge the battery, or increasingly supercapacitor or supercabattery used for power.
28 Oct 2014


Thermoelectrics have made large 1.5 kW ones for Komatsu and other construction machines and the like, to harvest heat from the diesel engines. The main bar to launching them for sale is cost
2 Apr 2014

Thermoelectric Energy Harvesting for Industrial Waste Heat Recovery

KELK, Japan
13 Mar 2014

Thermoelectric generators: Vehicles, Wireless Sensors, Industrial Apps

The worldwide interest in waste heat recovery continues to grow, with a wide range of applications ranging from small harvesters integrated into wireless sensor networks all the way to larger harvesters such as the ones that can potentially be integrated into cars.
21 Nov 2013

Thermoelectric Energy Harvesting for Industrial Waste Heat Recovery

Komatsu, KELK, Japan
16 Sep 2013

Thermoelectric energy harvesting in Japan

The Japanese are working very hard on thermoelectric energy harvesting from tiny forms for use on hot running electronics components the 1.5 kW versions for use on furnace flues etc.