Momentum - February 2019 - 3

BRIEFS
PENN STATE RESEARCHERS BATTLE DENDRITES FOR
BETTER BATTERIES

NEW FUEL CELL CONCEPT FROM UW
RESEARCHERS

Dramatically longer-lasting, fastercharging, and safer lithium metal
batteries may be possible, according
to Penn State researchers. A team
developed a three-dimensional,
cross-linked polymer sponge that
attaches to the metal plating of a
battery anode. "This project aims
Photo credit: Donghai Wang
to develop the next generation of
A three-dimensional cross-linked
metal batteries," said Donghai Wang,
polymer sponge attaches to the metal
professor of mechanical engineering
plating of a lithium ion battery anode,
and the principal investigator of the
allowing ion transfer and limiting
project. "Lithium metal has been tried deterioration.
in batteries for decades, but there
are some fundamental issues that inhibit their advancement." Under
additional strain, like in the fast-charging methods desired in electrical
vehicles, lithium ion batteries are vulnerable to dendritic growth-
needle-like formations that can reduce cycle life and potentially cause
safety issues such as fires or explosions. "Our approach was to use a
polymer on the interface of Li metal," Wang explained. "The material
acts as a porous sponge that not only promotes ion transfer, but also
inhibits deterioration.

Fuel cells have long been
viewed as a promising
power source. These
devices, invented in
the 1830s, generate
electricity directly from
chemicals, such as
hydrogen and oxygen,
and produce only water
Photo credit: Matt Wisniewski
vapor as emissions. But
A University of Wisconsin-Madison
most fuel cells are too
team has designed a fuel cell using
expensive, inefficient,
cheaper materials and an organic
or both. In a new
compound that shuttles electrons
approach, inspired by
and protons.
biology, a University of
Wisconsin-Madison team
has designed a fuel cell using cheaper materials and an
organic compound that shuttles electrons and protons.
In a traditional fuel cell, the electrons and protons
from hydrogen are transported from one electrode to
another, where they combine with oxygen to produce
water. This process converts chemical energy into
electricity. To generate a meaningful amount of charge
in a short enough amount of time, a catalyst is needed
to accelerate the reactions. Right now, the best catalyst
on the market is platinum. But it comes with a high price
tag. This makes fuel cells expensive and is one reason
why there are only a few thousand vehicles running on
hydrogen fuel currently on U.S. roads.

WINNER OF SAE STUDENT AWARD ANNOUNCED
Rakish Shrestha, a
doctoral student in Auburn
University's Department of
Mechanical Engineering, has
been selected as recipient
of the SAE International
Henry O. Fuchs Student
Award. Established in
1991, the award recognizes
a graduate or recently
graduated student working SAE International Henry O. Fuchs Student Award
Rakish Shrestha.
in the field of fatigue
research and applications
to promote the education of engineering students in the area of
fatigue technology. It honors the memory of Professor Henry O. Fuchs,
who, among other things, participated in the SAE Fatigue Design and
Evaluation Committee's research projects and was a member of the
faculty who founded the SAE Fatigue Concepts in Design short course.
Shrestha works under the direction of Nima Shamsaei, Director of the
National Center for Additive Manufacturing Excellence in the Samuel
Ginn College of Engineering at Georgia Tech. His research has primarily
focused on characterizing the mechanical behavior of polyether ether
ketone under cyclic loading and obtaining the appropriate fatigue
models. He is currently using the knowledge gained from past
research to examine the fatigue behavior of polymer-based materials
under more realistic multiaxial loading and additively manufactured
metallic materials.

MOMENTUM

SAE CONNECTS STUDENTS WITH EXPERTS
VIA INDUSTRIAL LECTURE SERIES
SAE Student Membership offers many great benefits
to you as a student. One of the most valuable but
underused ones is the Industrial Lecture Series.
Sponsored by the SAE Ralph R. Teetor Educational
Awards Committee, the series connects student
members in the U.S. and Canada with practicing
engineers and experts in the industry. Speakers come
from varied backgrounds and areas of expertise, and
they are often open to catering the visit to your specific
needs-whether it's a technical presentation or testing
your CDS vehicle. This benefit comes at no cost to the
students or chapters, and there are no limits to how
many speakers you invite to your school in a year. Visit
sae.org/participate/membership/collegiate-chapters/
industrial-lecture-program to see the current list of
speakers. Please contact Corey Dillon, Member Relations
Specialist, corey.dillon@sae.org, with questions or to
request a speaker to come to your school.

February 2019 3


http://eng.auburn.edu/research/centers/additive/index.html https://www.sae.org/participate/membership/collegiate-chapters/industrial-lecture-program https://www.sae.org/participate/membership/collegiate-chapters/industrial-lecture-program

Momentum - February 2019

Table of Contents for the Digital Edition of Momentum - February 2019

Momentum - February 2019
Contents
Go all in with your student membership
Briefs
Battling the elements
‘Hard work, determination, and a little bit of luck’
Shootout in Canada
How to lead a team
Plan, prepare, and succeed
‘The Eagle has landed’
SAE Detroit Section helps teams prep for Formula SAE season
SAE 101: Organically developed member groups considered for new organization model
DOSSIER: Mario Gutierrez of Robby Gordon Motorsports
Tips for navigating through the entry-level position
New SAE technical paper competition launches
Momentum - February 2019 - Momentum - February 2019
Momentum - February 2019 - Cover2
Momentum - February 2019 - Contents
Momentum - February 2019 - Go all in with your student membership
Momentum - February 2019 - Briefs
Momentum - February 2019 - Battling the elements
Momentum - February 2019 - 5
Momentum - February 2019 - 6
Momentum - February 2019 - 7
Momentum - February 2019 - ‘Hard work, determination, and a little bit of luck’
Momentum - February 2019 - 9
Momentum - February 2019 - 10
Momentum - February 2019 - Shootout in Canada
Momentum - February 2019 - How to lead a team
Momentum - February 2019 - 13
Momentum - February 2019 - Plan, prepare, and succeed
Momentum - February 2019 - ‘The Eagle has landed’
Momentum - February 2019 - SAE Detroit Section helps teams prep for Formula SAE season
Momentum - February 2019 - SAE 101: Organically developed member groups considered for new organization model
Momentum - February 2019 - DOSSIER: Mario Gutierrez of Robby Gordon Motorsports
Momentum - February 2019 - 19
Momentum - February 2019 - New SAE technical paper competition launches
Momentum - February 2019 - Cover3
Momentum - February 2019 - Cover4
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