Technical articles

Technological innovations in galvanic cell-type oxygen sensors - Environmentally friendly oxygen sensors without using lead^∗1

Maxell has developed galvanic cell-type oxygen sensors without using lead, taking environmental considerations into account. By adopting alternative materials to lead and the originally developed weak acid electrolyte, they have achieved performance equivalent to conventional leaded oxygen sensors. This article introduces Maxell's new technological development and efforts in anticipation of the exemption for lead-free products under the European RoHS directive.

∗1 Lead content is less than or equal to 0.1wt% in each of parts (in a homogeneous material) comprising a product.

The origins of technological innovation
- History and basic principles of batteries

This article explains the basic fundamental mechanisms of chemical batteries, using the primary batteries that Maxell has developed, manufactured, and sold for many years as an example.

Realizing IoT society with CR cylindrical batteries
- Battery solutions suitable for LPWA communication devices

This article introduces the technological trends of Maxell CR cylindrical battery, which is suitable as a power source for LPWA communication devices drawing attention as appropriate communication methods for the IoT industry, as well as battery solutions that support the multi-functionality of communication devices.