# Waldemar Jungner

> Ernst Waldemar Jungner was a Swedish inventor and engineer. In 1898 he invented the nickel-iron electric storage battery (NiFe), the nickel-cadmium battery (NiCd), and the rechargeable alkaline silver-cadmium battery (AgCd). As an inventor, he also fabricated a fire alarm based on different dilutions of metals. He also worked on the electrolytic production of sodium carbonate and patented a rock drilling device.

*Swedish engineer and inventor (1869-1924)*

**Canonical URL:** https://fame.am/person/waldemar-jungner

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** Sweden
- **Born:** 1869-06-18
- **Died:** 1924-08-30
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 43.3 / 100
- **Momentum:** 1.0 / 100  (trend: STABLE)
- **Historical depth:** 9.4 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [Waldemar Jungner](https://sv.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://ca.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://de.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://en.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://es.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://fi.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://it.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://mg.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://nl.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://oc.wikipedia.org/wiki/Waldemar_Jungner)
- [Waldemar Jungner](https://pt.wikipedia.org/wiki/Waldemar_Jungner)
- [Wikidata](https://www.wikidata.org/wiki/Q2053442)

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